21635812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1571}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 41463072

約数和(自身を除く): 19827260

約数列:

[1, 2, 4, 11, 22, 44, 313, 626, 1252, 1571, 3142, 3443, 6284, 6886, 13772, 17281, 34562, 69124, 491723, 983446, 1966892, 5408953, 10817906, 21635812]

約数ペア:

[(1, 21635812), (2, 10817906), (4, 5408953), (11, 1966892), (22, 983446), (44, 491723), (313, 69124), (626, 34562), (1252, 17281), (1571, 13772), (3142, 6886), (3443, 6284)]