21157216

素因数分解:

$2^5\times {\mathrm{113}}^1\times {\mathrm{5851}}^1$

素因数の和:5974

約数の個数: 24

約数和(自身を含む): 42029064

約数和(自身を除く): 20871848

約数列:

[1, 2, 4, 8, 16, 32, 113, 226, 452, 904, 1808, 3616, 5851, 11702, 23404, 46808, 93616, 187232, 661163, 1322326, 2644652, 5289304, 10578608, 21157216]

約数ペア:

[(1, 21157216), (2, 10578608), (4, 5289304), (8, 2644652), (16, 1322326), (32, 661163), (113, 187232), (226, 93616), (452, 46808), (904, 23404), (1808, 11702), (3616, 5851)]