21274204

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8537}}^1$

素因数の和:8637

約数の個数: 24

約数和(自身を含む): 43031520

約数和(自身を除く): 21757316

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8537, 17074, 34148, 59759, 119518, 239036, 759793, 1519586, 3039172, 5318551, 10637102, 21274204]

約数ペア:

[(1, 21274204), (2, 10637102), (4, 5318551), (7, 3039172), (14, 1519586), (28, 759793), (89, 239036), (178, 119518), (356, 59759), (623, 34148), (1246, 17074), (2492, 8537)]