21331436

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5113}}^1$

素因数の和:5273

約数の個数: 24

約数和(自身を含む): 42957600

約数和(自身を除く): 21626164

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 5113, 10226, 20452, 35791, 71582, 143164, 761837, 1523674, 3047348, 5332859, 10665718, 21331436]

約数ペア:

[(1, 21331436), (2, 10665718), (4, 5332859), (7, 3047348), (14, 1523674), (28, 761837), (149, 143164), (298, 71582), (596, 35791), (1043, 20452), (2086, 10226), (4172, 5113)]