21328931

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{937}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 24583104

約数和(自身を除く): 3254173

約数列:

[1, 13, 17, 103, 221, 937, 1339, 1751, 12181, 15929, 22763, 96511, 207077, 1254643, 1640687, 21328931]

約数ペア:

[(1, 21328931), (13, 1640687), (17, 1254643), (103, 207077), (221, 96511), (937, 22763), (1339, 15929), (1751, 12181)]