21000447000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{13807}}^1$

素因数の和:13860

約数の個数: 288

約数和(自身を含む): 76867202880

約数和(自身を除く): 55866755880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 125, 130, 150, 156, 169, 180, 195, 200, 225, 234, 250, 260, 300, 312, 325, 338, 360, 375, 390, 450, 468, 500, 507, 520, 585, 600, 650, 676, 750, 780, 845, 900, 936, 975, 1000, 1014, 1125, 1170, 1300, 1352, 1500, 1521, 1560, 1625, 1690, 1800, 1950, 2028, 2250, 2340, 2535, 2600, 2925, 3000, 3042, 3250, 3380, 3900, 4056, 4225, 4500, 4680, 4875, 5070, 5850, 6084, 6500, 6760, 7605, 7800, 8450, 9000, 9750, 10140, 11700, 12168, 12675, 13000, 13807, 14625, 15210, 16900, 19500, 20280, 21125, 23400, 25350, 27614, 29250, 30420, 33800, 38025, 39000, 41421, 42250, 50700, 55228, 58500, 60840, 63375, 69035, 76050, 82842, 84500, 101400, 110456, 117000, 124263, 126750, 138070, 152100, 165684, 169000, 179491, 190125, 207105, 248526, 253500, 276140, 304200, 331368, 345175, 358982, 380250, 414210, 497052, 507000, 538473, 552280, 621315, 690350, 717964, 760500, 828420, 897455, 994104, 1035525, 1076946, 1242630, 1380700, 1435928, 1521000, 1615419, 1656840, 1725875, 1794910, 2071050, 2153892, 2333383, 2485260, 2692365, 2761400, 3106575, 3230838, 3451750, 3589820, 4142100, 4307784, 4487275, 4666766, 4970520, 5177625, 5384730, 6213150, 6461676, 6903500, 7000149, 7179640, 8077095, 8284200, 8974550, 9333532, 10355250, 10769460, 11666915, 12426300, 12923352, 13461825, 13807000, 14000298, 15532875, 16154190, 17949100, 18667064, 20710500, 21000447, 21538920, 22436375, 23333830, 24852600, 26923650, 28000596, 31065750, 32308380, 35000745, 35898200, 40385475, 41421000, 42000894, 44872750, 46667660, 53847300, 56001192, 58334575, 62131500, 64616760, 67309125, 70001490, 80770950, 84001788, 89745500, 93335320, 105002235, 107694600, 116669150, 124263000, 134618250, 140002980, 161541900, 168003576, 175003725, 179491000, 201927375, 210004470, 233338300, 269236500, 280005960, 291672875, 323083800, 350007450, 403854750, 420008940, 466676600, 525011175, 538473000, 583345750, 700014900, 807709500, 840017880, 875018625, 1050022350, 1166691500, 1400029800, 1615419000, 1750037250, 2100044700, 2333383000, 2625055875, 3500074500, 4200089400, 5250111750, 7000149000, 10500223500, 21000447000]

約数ペア:

[(1, 21000447000), (2, 10500223500), (3, 7000149000), (4, 5250111750), (5, 4200089400), (6, 3500074500), (8, 2625055875), (9, 2333383000), (10, 2100044700), (12, 1750037250), (13, 1615419000), (15, 1400029800), (18, 1166691500), (20, 1050022350), (24, 875018625), (25, 840017880), (26, 807709500), (30, 700014900), (36, 583345750), (39, 538473000), (40, 525011175), (45, 466676600), (50, 420008940), (52, 403854750), (60, 350007450), (65, 323083800), (72, 291672875), (75, 280005960), (78, 269236500), (90, 233338300), (100, 210004470), (104, 201927375), (117, 179491000), (120, 175003725), (125, 168003576), (130, 161541900), (150, 140002980), (156, 134618250), (169, 124263000), (180, 116669150), (195, 107694600), (200, 105002235), (225, 93335320), (234, 89745500), (250, 84001788), (260, 80770950), (300, 70001490), (312, 67309125), (325, 64616760), (338, 62131500), (360, 58334575), (375, 56001192), (390, 53847300), (450, 46667660), (468, 44872750), (500, 42000894), (507, 41421000), (520, 40385475), (585, 35898200), (600, 35000745), (650, 32308380), (676, 31065750), (750, 28000596), (780, 26923650), (845, 24852600), (900, 23333830), (936, 22436375), (975, 21538920), (1000, 21000447), (1014, 20710500), (1125, 18667064), (1170, 17949100), (1300, 16154190), (1352, 15532875), (1500, 14000298), (1521, 13807000), (1560, 13461825), (1625, 12923352), (1690, 12426300), (1800, 11666915), (1950, 10769460), (2028, 10355250), (2250, 9333532), (2340, 8974550), (2535, 8284200), (2600, 8077095), (2925, 7179640), (3000, 7000149), (3042, 6903500), (3250, 6461676), (3380, 6213150), (3900, 5384730), (4056, 5177625), (4225, 4970520), (4500, 4666766), (4680, 4487275), (4875, 4307784), (5070, 4142100), (5850, 3589820), (6084, 3451750), (6500, 3230838), (6760, 3106575), (7605, 2761400), (7800, 2692365), (8450, 2485260), (9000, 2333383), (9750, 2153892), (10140, 2071050), (11700, 1794910), (12168, 1725875), (12675, 1656840), (13000, 1615419), (13807, 1521000), (14625, 1435928), (15210, 1380700), (16900, 1242630), (19500, 1076946), (20280, 1035525), (21125, 994104), (23400, 897455), (25350, 828420), (27614, 760500), (29250, 717964), (30420, 690350), (33800, 621315), (38025, 552280), (39000, 538473), (41421, 507000), (42250, 497052), (50700, 414210), (55228, 380250), (58500, 358982), (60840, 345175), (63375, 331368), (69035, 304200), (76050, 276140), (82842, 253500), (84500, 248526), (101400, 207105), (110456, 190125), (117000, 179491), (124263, 169000), (126750, 165684), (138070, 152100)]