21820450

素因数分解:

$2^1\times 5^2\times {\mathrm{233}}^1\times {\mathrm{1873}}^1$

素因数の和:2118

約数の個数: 24

約数和(自身を含む): 40781988

約数和(自身を除く): 18961538

約数列:

[1, 2, 5, 10, 25, 50, 233, 466, 1165, 1873, 2330, 3746, 5825, 9365, 11650, 18730, 46825, 93650, 436409, 872818, 2182045, 4364090, 10910225, 21820450]

約数ペア:

[(1, 21820450), (2, 10910225), (5, 4364090), (10, 2182045), (25, 872818), (50, 436409), (233, 93650), (466, 46825), (1165, 18730), (1873, 11650), (2330, 9365), (3746, 5825)]