21232497

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 34062336

約数和(自身を除く): 12829839

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1151, 1419, 1677, 3453, 6149, 12661, 14963, 18447, 37983, 44889, 49493, 148479, 164593, 493779, 544423, 643409, 1633269, 1930227, 7077499, 21232497]

約数ペア:

[(1, 21232497), (3, 7077499), (11, 1930227), (13, 1633269), (33, 643409), (39, 544423), (43, 493779), (129, 164593), (143, 148479), (429, 49493), (473, 44889), (559, 37983), (1151, 18447), (1419, 14963), (1677, 12661), (3453, 6149)]