21551116

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 16974644

約数列:

[1, 2, 4, 83, 139, 166, 278, 332, 467, 556, 934, 1868, 11537, 23074, 38761, 46148, 64913, 77522, 129826, 155044, 259652, 5387779, 10775558, 21551116]

約数ペア:

[(1, 21551116), (2, 10775558), (4, 5387779), (83, 259652), (139, 155044), (166, 129826), (278, 77522), (332, 64913), (467, 46148), (556, 38761), (934, 23074), (1868, 11537)]