21274924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3691}}^1$

素因数の和:3837

約数の個数: 24

約数和(自身を含む): 40936896

約数和(自身を除く): 19661972

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3691, 5764, 7382, 14764, 40601, 81202, 162404, 483521, 967042, 1934084, 5318731, 10637462, 21274924]

約数ペア:

[(1, 21274924), (2, 10637462), (4, 5318731), (11, 1934084), (22, 967042), (44, 483521), (131, 162404), (262, 81202), (524, 40601), (1441, 14764), (2882, 7382), (3691, 5764)]