21117350

素因数分解:

$2^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{2797}}^1$

素因数の和:2960

約数の個数: 24

約数和(自身を含む): 39552528

約数和(自身を除く): 18435178

約数列:

[1, 2, 5, 10, 25, 50, 151, 302, 755, 1510, 2797, 3775, 5594, 7550, 13985, 27970, 69925, 139850, 422347, 844694, 2111735, 4223470, 10558675, 21117350]

約数ペア:

[(1, 21117350), (2, 10558675), (5, 4223470), (10, 2111735), (25, 844694), (50, 422347), (151, 139850), (302, 69925), (755, 27970), (1510, 13985), (2797, 7550), (3775, 5594)]