21931750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 42183648

約数和(自身を除く): 20251898

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2371, 4625, 4742, 9250, 11855, 23710, 59275, 87727, 118550, 175454, 296375, 438635, 592750, 877270, 2193175, 4386350, 10965875, 21931750]

約数ペア:

[(1, 21931750), (2, 10965875), (5, 4386350), (10, 2193175), (25, 877270), (37, 592750), (50, 438635), (74, 296375), (125, 175454), (185, 118550), (250, 87727), (370, 59275), (925, 23710), (1850, 11855), (2371, 9250), (4625, 4742)]