21620486

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{8669}}^1$

素因数の和:8743

約数の個数: 16

約数和(自身を含む): 34333200

約数和(自身を除く): 12712714

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 8669, 17338, 251401, 372767, 502802, 745534, 10810243, 21620486]

約数ペア:

[(1, 21620486), (2, 10810243), (29, 745534), (43, 502802), (58, 372767), (86, 251401), (1247, 17338), (2494, 8669)]