21399402

素因数分解:

$2^1\times 3^1\times {\mathrm{317}}^1\times {\mathrm{11251}}^1$

素因数の和:11573

約数の個数: 16

約数和(自身を含む): 42937632

約数和(自身を除く): 21538230

約数列:

[1, 2, 3, 6, 317, 634, 951, 1902, 11251, 22502, 33753, 67506, 3566567, 7133134, 10699701, 21399402]

約数ペア:

[(1, 21399402), (2, 10699701), (3, 7133134), (6, 3566567), (317, 67506), (634, 33753), (951, 22502), (1902, 11251)]