21966788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1531}}^1$

素因数の和:1763

約数の個数: 24

約数和(自身を含む): 40922784

約数和(自身を除く): 18955996

約数列:

[1, 2, 4, 17, 34, 68, 211, 422, 844, 1531, 3062, 3587, 6124, 7174, 14348, 26027, 52054, 104108, 323041, 646082, 1292164, 5491697, 10983394, 21966788]

約数ペア:

[(1, 21966788), (2, 10983394), (4, 5491697), (17, 1292164), (34, 646082), (68, 323041), (211, 104108), (422, 52054), (844, 26027), (1531, 14348), (3062, 7174), (3587, 6124)]