21591338

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{1471}}^1$

素因数の和:1693

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 11793622

約数列:

[1, 2, 41, 82, 179, 358, 1471, 2942, 7339, 14678, 60311, 120622, 263309, 526618, 10795669, 21591338]

約数ペア:

[(1, 21591338), (2, 10795669), (41, 526618), (82, 263309), (179, 120622), (358, 60311), (1471, 14678), (2942, 7339)]