21965368436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{7039}}^1\times {\mathrm{70921}}^1$

素因数の和:77975

約数の個数: 24

約数和(自身を含む): 41940433920

約数和(自身を除く): 19975065484

約数列:

[1, 2, 4, 11, 22, 44, 7039, 14078, 28156, 70921, 77429, 141842, 154858, 283684, 309716, 780131, 1560262, 3120524, 499212919, 998425838, 1996851676, 5491342109, 10982684218, 21965368436]

約数ペア:

[(1, 21965368436), (2, 10982684218), (4, 5491342109), (11, 1996851676), (22, 998425838), (44, 499212919), (7039, 3120524), (14078, 1560262), (28156, 780131), (70921, 309716), (77429, 283684), (141842, 154858)]