21000891301

素因数分解:

${\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{3030869}}^1$

素因数の和:3030936

約数の個数: 12

約数和(自身を含む): 23295266820

約数和(自身を除く): 2294375519

約数列:

[1, 13, 41, 169, 533, 6929, 3030869, 39401297, 124265629, 512216861, 1615453177, 21000891301]

約数ペア:

[(1, 21000891301), (13, 1615453177), (41, 512216861), (169, 124265629), (533, 39401297), (6929, 3030869)]