21757318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52051}}^1$

素因数の和:52083

約数の個数: 16

約数和(自身を含む): 37477440

約数和(自身を除く): 15720122

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 52051, 104102, 572561, 988969, 1145122, 1977938, 10878659, 21757318]

約数ペア:

[(1, 21757318), (2, 10878659), (11, 1977938), (19, 1145122), (22, 988969), (38, 572561), (209, 104102), (418, 52051)]