21298676

素因数分解:

$2^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2707}}^1$

素因数の和:2999

約数の個数: 24

約数和(自身を含む): 42764736

約数和(自身を除く): 21466060

約数列:

[1, 2, 4, 7, 14, 28, 281, 562, 1124, 1967, 2707, 3934, 5414, 7868, 10828, 18949, 37898, 75796, 760667, 1521334, 3042668, 5324669, 10649338, 21298676]

約数ペア:

[(1, 21298676), (2, 10649338), (4, 5324669), (7, 3042668), (14, 1521334), (28, 760667), (281, 75796), (562, 37898), (1124, 18949), (1967, 10828), (2707, 7868), (3934, 5414)]