21694508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2063}}^1$

素因数の和:2317

約数の個数: 24

約数和(自身を含む): 41610240

約数和(自身を除く): 19915732

約数列:

[1, 2, 4, 11, 22, 44, 239, 478, 956, 2063, 2629, 4126, 5258, 8252, 10516, 22693, 45386, 90772, 493057, 986114, 1972228, 5423627, 10847254, 21694508]

約数ペア:

[(1, 21694508), (2, 10847254), (4, 5423627), (11, 1972228), (22, 986114), (44, 493057), (239, 90772), (478, 45386), (956, 22693), (2063, 10516), (2629, 8252), (4126, 5258)]