21874484

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1607}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 39711168

約数和(自身を除く): 17836684

約数列:

[1, 2, 4, 41, 82, 83, 164, 166, 332, 1607, 3214, 3403, 6428, 6806, 13612, 65887, 131774, 133381, 263548, 266762, 533524, 5468621, 10937242, 21874484]

約数ペア:

[(1, 21874484), (2, 10937242), (4, 5468621), (41, 533524), (82, 266762), (83, 263548), (164, 133381), (166, 131774), (332, 65887), (1607, 13612), (3214, 6806), (3403, 6428)]