21108684

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{28837}}^1$

素因数の和:28905

約数の個数: 24

約数和(自身を含む): 50062768

約数和(自身を除く): 28954084

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 28837, 57674, 86511, 115348, 173022, 346044, 1759057, 3518114, 5277171, 7036228, 10554342, 21108684]

約数ペア:

[(1, 21108684), (2, 10554342), (3, 7036228), (4, 5277171), (6, 3518114), (12, 1759057), (61, 346044), (122, 173022), (183, 115348), (244, 86511), (366, 57674), (732, 28837)]