21685188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258157}}^1$

素因数の和:258171

約数の個数: 24

約数和(自身を含む): 57827392

約数和(自身を除く): 36142204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258157, 516314, 774471, 1032628, 1548942, 1807099, 3097884, 3614198, 5421297, 7228396, 10842594, 21685188]

約数ペア:

[(1, 21685188), (2, 10842594), (3, 7228396), (4, 5421297), (6, 3614198), (7, 3097884), (12, 1807099), (14, 1548942), (21, 1032628), (28, 774471), (42, 516314), (84, 258157)]