2021155101

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{2399}}^1$

素因数の和:2766

約数の個数: 48

約数和(自身を含む): 3426508800

約数和(自身を除く): 1405353699

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 311, 387, 903, 933, 2177, 2399, 2709, 2799, 6531, 7197, 13373, 16793, 19593, 21591, 40119, 50379, 93611, 103157, 120357, 151137, 280833, 309471, 722099, 746089, 842499, 928413, 2166297, 2238267, 5222623, 6498891, 6714801, 15667869, 32081827, 47003607, 96245481, 224572789, 288736443, 673718367, 2021155101]

約数ペア:

[(1, 2021155101), (3, 673718367), (7, 288736443), (9, 224572789), (21, 96245481), (43, 47003607), (63, 32081827), (129, 15667869), (301, 6714801), (311, 6498891), (387, 5222623), (903, 2238267), (933, 2166297), (2177, 928413), (2399, 842499), (2709, 746089), (2799, 722099), (6531, 309471), (7197, 280833), (13373, 151137), (16793, 120357), (19593, 103157), (21591, 93611), (40119, 50379)]