21311238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{21017}}^1$

素因数の和:21048

約数の個数: 24

約数和(自身を含む): 46155528

約数和(自身を除く): 24844290

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 21017, 42034, 63051, 126102, 273221, 546442, 819663, 1639326, 3551873, 7103746, 10655619, 21311238]

約数ペア:

[(1, 21311238), (2, 10655619), (3, 7103746), (6, 3551873), (13, 1639326), (26, 819663), (39, 546442), (78, 273221), (169, 126102), (338, 63051), (507, 42034), (1014, 21017)]