21925156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4657}}^1$

素因数の和:4779

約数の個数: 24

約数和(自身を含む): 42257376

約数和(自身を除く): 20332220

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4657, 4708, 9314, 18628, 51227, 102454, 204908, 498299, 996598, 1993196, 5481289, 10962578, 21925156]

約数ペア:

[(1, 21925156), (2, 10962578), (4, 5481289), (11, 1993196), (22, 996598), (44, 498299), (107, 204908), (214, 102454), (428, 51227), (1177, 18628), (2354, 9314), (4657, 4708)]