21132524

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{787}}^1$

素因数の和:942

約数の個数: 36

約数和(自身を含む): 43388856

約数和(自身を除く): 22256332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 787, 959, 1574, 1918, 3148, 3836, 5509, 6713, 11018, 13426, 22036, 26852, 38563, 77126, 107819, 154252, 215638, 431276, 754733, 1509466, 3018932, 5283131, 10566262, 21132524]

約数ペア:

[(1, 21132524), (2, 10566262), (4, 5283131), (7, 3018932), (14, 1509466), (28, 754733), (49, 431276), (98, 215638), (137, 154252), (196, 107819), (274, 77126), (548, 38563), (787, 26852), (959, 22036), (1574, 13426), (1918, 11018), (3148, 6713), (3836, 5509)]