21301706824

素因数分解:

$2^3\times {\mathrm{17881}}^1\times {\mathrm{148913}}^1$

素因数の和:166800

約数の個数: 16

約数和(自身を含む): 39943202220

約数和(自身を除く): 18641495396

約数列:

[1, 2, 4, 8, 17881, 35762, 71524, 143048, 148913, 297826, 595652, 1191304, 2662713353, 5325426706, 10650853412, 21301706824]

約数ペア:

[(1, 21301706824), (2, 10650853412), (4, 5325426706), (8, 2662713353), (17881, 1191304), (35762, 595652), (71524, 297826), (143048, 148913)]