21905406

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1061}}^1$

素因数の和:1137

約数の個数: 48

約数和(自身を含む): 50364288

約数和(自身を除く): 28458882

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 1061, 1147, 2122, 2294, 3183, 3441, 6366, 6882, 9549, 10323, 19098, 20646, 32891, 39257, 65782, 78514, 98673, 117771, 197346, 235542, 296019, 353313, 592038, 706626, 1216967, 2433934, 3650901, 7301802, 10952703, 21905406]

約数ペア:

[(1, 21905406), (2, 10952703), (3, 7301802), (6, 3650901), (9, 2433934), (18, 1216967), (31, 706626), (37, 592038), (62, 353313), (74, 296019), (93, 235542), (111, 197346), (186, 117771), (222, 98673), (279, 78514), (333, 65782), (558, 39257), (666, 32891), (1061, 20646), (1147, 19098), (2122, 10323), (2294, 9549), (3183, 6882), (3441, 6366)]