21632280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2539}}^1$

素因数の和:2624

約数の個数: 64

約数和(自身を含む): 65836800

約数和(自身を除く): 44204520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2539, 2840, 4260, 5078, 7617, 8520, 10156, 12695, 15234, 20312, 25390, 30468, 38085, 50780, 60936, 76170, 101560, 152340, 180269, 304680, 360538, 540807, 721076, 901345, 1081614, 1442152, 1802690, 2163228, 2704035, 3605380, 4326456, 5408070, 7210760, 10816140, 21632280]

約数ペア:

[(1, 21632280), (2, 10816140), (3, 7210760), (4, 5408070), (5, 4326456), (6, 3605380), (8, 2704035), (10, 2163228), (12, 1802690), (15, 1442152), (20, 1081614), (24, 901345), (30, 721076), (40, 540807), (60, 360538), (71, 304680), (120, 180269), (142, 152340), (213, 101560), (284, 76170), (355, 60936), (426, 50780), (568, 38085), (710, 30468), (852, 25390), (1065, 20312), (1420, 15234), (1704, 12695), (2130, 10156), (2539, 8520), (2840, 7617), (4260, 5078)]