21527212

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 44593920

約数和(自身を除く): 23066708

約数列:

[1, 2, 4, 7, 14, 28, 59, 83, 118, 157, 166, 236, 314, 332, 413, 581, 628, 826, 1099, 1162, 1652, 2198, 2324, 4396, 4897, 9263, 9794, 13031, 18526, 19588, 26062, 34279, 37052, 52124, 64841, 68558, 91217, 129682, 137116, 182434, 259364, 364868, 768829, 1537658, 3075316, 5381803, 10763606, 21527212]

約数ペア:

[(1, 21527212), (2, 10763606), (4, 5381803), (7, 3075316), (14, 1537658), (28, 768829), (59, 364868), (83, 259364), (118, 182434), (157, 137116), (166, 129682), (236, 91217), (314, 68558), (332, 64841), (413, 52124), (581, 37052), (628, 34279), (826, 26062), (1099, 19588), (1162, 18526), (1652, 13031), (2198, 9794), (2324, 9263), (4396, 4897)]