21318000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 320

約数和(自身を含む): 83566080

約数和(自身を除く): 62248080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 19, 20, 22, 24, 25, 30, 33, 34, 38, 40, 44, 48, 50, 51, 55, 57, 60, 66, 68, 75, 76, 80, 85, 88, 95, 100, 102, 110, 114, 120, 125, 132, 136, 150, 152, 165, 170, 176, 187, 190, 200, 204, 209, 220, 228, 240, 250, 255, 264, 272, 275, 285, 300, 304, 323, 330, 340, 374, 375, 380, 400, 408, 418, 425, 440, 456, 475, 500, 510, 528, 550, 561, 570, 600, 627, 646, 660, 680, 748, 750, 760, 816, 825, 836, 850, 880, 912, 935, 950, 969, 1000, 1020, 1045, 1100, 1122, 1140, 1200, 1254, 1275, 1292, 1320, 1360, 1375, 1425, 1496, 1500, 1520, 1615, 1650, 1672, 1700, 1870, 1900, 1938, 2000, 2040, 2090, 2125, 2200, 2244, 2280, 2375, 2508, 2550, 2584, 2640, 2750, 2805, 2850, 2992, 3000, 3135, 3230, 3300, 3344, 3400, 3553, 3740, 3800, 3876, 4080, 4125, 4180, 4250, 4400, 4488, 4560, 4675, 4750, 4845, 5016, 5100, 5168, 5225, 5500, 5610, 5700, 6000, 6270, 6375, 6460, 6600, 6800, 7106, 7125, 7480, 7600, 7752, 8075, 8250, 8360, 8500, 8976, 9350, 9500, 9690, 10032, 10200, 10450, 10659, 11000, 11220, 11400, 12540, 12750, 12920, 13200, 14025, 14212, 14250, 14960, 15504, 15675, 16150, 16500, 16720, 17000, 17765, 18700, 19000, 19380, 20400, 20900, 21318, 22000, 22440, 22800, 23375, 24225, 25080, 25500, 25840, 26125, 28050, 28424, 28500, 31350, 32300, 33000, 34000, 35530, 37400, 38000, 38760, 40375, 41800, 42636, 44880, 46750, 48450, 50160, 51000, 52250, 53295, 56100, 56848, 57000, 62700, 64600, 66000, 70125, 71060, 74800, 77520, 78375, 80750, 83600, 85272, 88825, 93500, 96900, 102000, 104500, 106590, 112200, 114000, 121125, 125400, 129200, 140250, 142120, 156750, 161500, 170544, 177650, 187000, 193800, 209000, 213180, 224400, 242250, 250800, 266475, 280500, 284240, 313500, 323000, 355300, 374000, 387600, 418000, 426360, 444125, 484500, 532950, 561000, 627000, 646000, 710600, 852720, 888250, 969000, 1065900, 1122000, 1254000, 1332375, 1421200, 1776500, 1938000, 2131800, 2664750, 3553000, 4263600, 5329500, 7106000, 10659000, 21318000]

約数ペア:

[(1, 21318000), (2, 10659000), (3, 7106000), (4, 5329500), (5, 4263600), (6, 3553000), (8, 2664750), (10, 2131800), (11, 1938000), (12, 1776500), (15, 1421200), (16, 1332375), (17, 1254000), (19, 1122000), (20, 1065900), (22, 969000), (24, 888250), (25, 852720), (30, 710600), (33, 646000), (34, 627000), (38, 561000), (40, 532950), (44, 484500), (48, 444125), (50, 426360), (51, 418000), (55, 387600), (57, 374000), (60, 355300), (66, 323000), (68, 313500), (75, 284240), (76, 280500), (80, 266475), (85, 250800), (88, 242250), (95, 224400), (100, 213180), (102, 209000), (110, 193800), (114, 187000), (120, 177650), (125, 170544), (132, 161500), (136, 156750), (150, 142120), (152, 140250), (165, 129200), (170, 125400), (176, 121125), (187, 114000), (190, 112200), (200, 106590), (204, 104500), (209, 102000), (220, 96900), (228, 93500), (240, 88825), (250, 85272), (255, 83600), (264, 80750), (272, 78375), (275, 77520), (285, 74800), (300, 71060), (304, 70125), (323, 66000), (330, 64600), (340, 62700), (374, 57000), (375, 56848), (380, 56100), (400, 53295), (408, 52250), (418, 51000), (425, 50160), (440, 48450), (456, 46750), (475, 44880), (500, 42636), (510, 41800), (528, 40375), (550, 38760), (561, 38000), (570, 37400), (600, 35530), (627, 34000), (646, 33000), (660, 32300), (680, 31350), (748, 28500), (750, 28424), (760, 28050), (816, 26125), (825, 25840), (836, 25500), (850, 25080), (880, 24225), (912, 23375), (935, 22800), (950, 22440), (969, 22000), (1000, 21318), (1020, 20900), (1045, 20400), (1100, 19380), (1122, 19000), (1140, 18700), (1200, 17765), (1254, 17000), (1275, 16720), (1292, 16500), (1320, 16150), (1360, 15675), (1375, 15504), (1425, 14960), (1496, 14250), (1500, 14212), (1520, 14025), (1615, 13200), (1650, 12920), (1672, 12750), (1700, 12540), (1870, 11400), (1900, 11220), (1938, 11000), (2000, 10659), (2040, 10450), (2090, 10200), (2125, 10032), (2200, 9690), (2244, 9500), (2280, 9350), (2375, 8976), (2508, 8500), (2550, 8360), (2584, 8250), (2640, 8075), (2750, 7752), (2805, 7600), (2850, 7480), (2992, 7125), (3000, 7106), (3135, 6800), (3230, 6600), (3300, 6460), (3344, 6375), (3400, 6270), (3553, 6000), (3740, 5700), (3800, 5610), (3876, 5500), (4080, 5225), (4125, 5168), (4180, 5100), (4250, 5016), (4400, 4845), (4488, 4750), (4560, 4675)]