21996000

素因数分解:

$2^5\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:91

約数の個数: 288

約数和(自身を含む): 85857408

約数和(自身を除く): 63861408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 47, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 94, 96, 100, 104, 117, 120, 125, 130, 141, 144, 150, 156, 160, 180, 188, 195, 200, 208, 225, 234, 235, 240, 250, 260, 282, 288, 300, 312, 325, 360, 375, 376, 390, 400, 416, 423, 450, 468, 470, 480, 500, 520, 564, 585, 600, 611, 624, 650, 705, 720, 750, 752, 780, 800, 846, 900, 936, 940, 975, 1000, 1040, 1125, 1128, 1170, 1175, 1200, 1222, 1248, 1300, 1410, 1440, 1500, 1504, 1560, 1625, 1692, 1800, 1833, 1872, 1880, 1950, 2000, 2080, 2115, 2250, 2256, 2340, 2350, 2400, 2444, 2600, 2820, 2925, 3000, 3055, 3120, 3250, 3384, 3525, 3600, 3666, 3744, 3760, 3900, 4000, 4230, 4500, 4512, 4680, 4700, 4875, 4888, 5200, 5499, 5640, 5850, 5875, 6000, 6110, 6240, 6500, 6768, 7050, 7200, 7332, 7520, 7800, 8460, 9000, 9165, 9360, 9400, 9750, 9776, 10400, 10575, 10998, 11280, 11700, 11750, 12000, 12220, 13000, 13536, 14100, 14625, 14664, 15275, 15600, 16920, 17625, 18000, 18330, 18720, 18800, 19500, 19552, 21150, 21996, 22560, 23400, 23500, 24440, 26000, 27495, 28200, 29250, 29328, 30550, 31200, 33840, 35250, 36000, 36660, 37600, 39000, 42300, 43992, 45825, 46800, 47000, 48880, 52000, 52875, 54990, 56400, 58500, 58656, 61100, 67680, 70500, 73320, 76375, 78000, 84600, 87984, 91650, 93600, 94000, 97760, 105750, 109980, 112800, 117000, 122200, 137475, 141000, 146640, 152750, 156000, 169200, 175968, 183300, 188000, 211500, 219960, 229125, 234000, 244400, 274950, 282000, 293280, 305500, 338400, 366600, 423000, 439920, 458250, 468000, 488800, 549900, 564000, 611000, 687375, 733200, 846000, 879840, 916500, 1099800, 1222000, 1374750, 1466400, 1692000, 1833000, 2199600, 2444000, 2749500, 3666000, 4399200, 5499000, 7332000, 10998000, 21996000]

約数ペア:

[(1, 21996000), (2, 10998000), (3, 7332000), (4, 5499000), (5, 4399200), (6, 3666000), (8, 2749500), (9, 2444000), (10, 2199600), (12, 1833000), (13, 1692000), (15, 1466400), (16, 1374750), (18, 1222000), (20, 1099800), (24, 916500), (25, 879840), (26, 846000), (30, 733200), (32, 687375), (36, 611000), (39, 564000), (40, 549900), (45, 488800), (47, 468000), (48, 458250), (50, 439920), (52, 423000), (60, 366600), (65, 338400), (72, 305500), (75, 293280), (78, 282000), (80, 274950), (90, 244400), (94, 234000), (96, 229125), (100, 219960), (104, 211500), (117, 188000), (120, 183300), (125, 175968), (130, 169200), (141, 156000), (144, 152750), (150, 146640), (156, 141000), (160, 137475), (180, 122200), (188, 117000), (195, 112800), (200, 109980), (208, 105750), (225, 97760), (234, 94000), (235, 93600), (240, 91650), (250, 87984), (260, 84600), (282, 78000), (288, 76375), (300, 73320), (312, 70500), (325, 67680), (360, 61100), (375, 58656), (376, 58500), (390, 56400), (400, 54990), (416, 52875), (423, 52000), (450, 48880), (468, 47000), (470, 46800), (480, 45825), (500, 43992), (520, 42300), (564, 39000), (585, 37600), (600, 36660), (611, 36000), (624, 35250), (650, 33840), (705, 31200), (720, 30550), (750, 29328), (752, 29250), (780, 28200), (800, 27495), (846, 26000), (900, 24440), (936, 23500), (940, 23400), (975, 22560), (1000, 21996), (1040, 21150), (1125, 19552), (1128, 19500), (1170, 18800), (1175, 18720), (1200, 18330), (1222, 18000), (1248, 17625), (1300, 16920), (1410, 15600), (1440, 15275), (1500, 14664), (1504, 14625), (1560, 14100), (1625, 13536), (1692, 13000), (1800, 12220), (1833, 12000), (1872, 11750), (1880, 11700), (1950, 11280), (2000, 10998), (2080, 10575), (2115, 10400), (2250, 9776), (2256, 9750), (2340, 9400), (2350, 9360), (2400, 9165), (2444, 9000), (2600, 8460), (2820, 7800), (2925, 7520), (3000, 7332), (3055, 7200), (3120, 7050), (3250, 6768), (3384, 6500), (3525, 6240), (3600, 6110), (3666, 6000), (3744, 5875), (3760, 5850), (3900, 5640), (4000, 5499), (4230, 5200), (4500, 4888), (4512, 4875), (4680, 4700)]