21518040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179317}}^1$

素因数の和:179331

約数の個数: 32

約数和(自身を含む): 64554480

約数和(自身を除く): 43036440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179317, 358634, 537951, 717268, 896585, 1075902, 1434536, 1793170, 2151804, 2689755, 3586340, 4303608, 5379510, 7172680, 10759020, 21518040]

約数ペア:

[(1, 21518040), (2, 10759020), (3, 7172680), (4, 5379510), (5, 4303608), (6, 3586340), (8, 2689755), (10, 2151804), (12, 1793170), (15, 1434536), (20, 1075902), (24, 896585), (30, 717268), (40, 537951), (60, 358634), (120, 179317)]