21944013

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{11483}}^1$

素因数の和:11513

約数の個数: 24

約数和(自身を含む): 36656928

約数和(自身を除く): 14712915

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 11483, 34449, 80381, 149279, 241143, 447837, 562667, 1044953, 1688001, 3134859, 7314671, 21944013]

約数ペア:

[(1, 21944013), (3, 7314671), (7, 3134859), (13, 1688001), (21, 1044953), (39, 562667), (49, 447837), (91, 241143), (147, 149279), (273, 80381), (637, 34449), (1911, 11483)]