21000880920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175007341}}^1$

素因数の和:175007355

約数の個数: 32

約数和(自身を含む): 63002643120

約数和(自身を除く): 42001762200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175007341, 350014682, 525022023, 700029364, 875036705, 1050044046, 1400058728, 1750073410, 2100088092, 2625110115, 3500146820, 4200176184, 5250220230, 7000293640, 10500440460, 21000880920]

約数ペア:

[(1, 21000880920), (2, 10500440460), (3, 7000293640), (4, 5250220230), (5, 4200176184), (6, 3500146820), (8, 2625110115), (10, 2100088092), (12, 1750073410), (15, 1400058728), (20, 1050044046), (24, 875036705), (30, 700029364), (40, 525022023), (60, 350014682), (120, 175007341)]