21813966

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19867}}^1$

素因数の和:19936

約数の個数: 24

約数和(自身を含む): 48040824

約数和(自身を除く): 26226858

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19867, 39734, 59601, 119202, 178803, 357606, 1211887, 2423774, 3635661, 7271322, 10906983, 21813966]

約数ペア:

[(1, 21813966), (2, 10906983), (3, 7271322), (6, 3635661), (9, 2423774), (18, 1211887), (61, 357606), (122, 178803), (183, 119202), (366, 59601), (549, 39734), (1098, 19867)]