21128284577

素因数分解:

${\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{64793}}^1$

素因数の和:65048

約数の個数: 16

約数和(自身を含む): 22276695552

約数和(自身を除く): 1148410975

約数列:

[1, 31, 67, 157, 2077, 4867, 10519, 64793, 326089, 2008583, 4341131, 10172501, 134575061, 315347531, 681557567, 21128284577]

約数ペア:

[(1, 21128284577), (31, 681557567), (67, 315347531), (157, 134575061), (2077, 10172501), (4867, 4341131), (10519, 2008583), (64793, 326089)]