21109036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23879}}^1$

素因数の和:23913

約数の個数: 24

約数和(自身を含む): 42124320

約数和(自身を除く): 21015284

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23879, 47758, 95516, 310427, 405943, 620854, 811886, 1241708, 1623772, 5277259, 10554518, 21109036]

約数ペア:

[(1, 21109036), (2, 10554518), (4, 5277259), (13, 1623772), (17, 1241708), (26, 811886), (34, 620854), (52, 405943), (68, 310427), (221, 95516), (442, 47758), (884, 23879)]