21241652

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{90007}}^1$

素因数の和:90070

約数の個数: 12

約数和(自身を含む): 37803360

約数和(自身を除く): 16561708

約数列:

[1, 2, 4, 59, 118, 236, 90007, 180014, 360028, 5310413, 10620826, 21241652]

約数ペア:

[(1, 21241652), (2, 10620826), (4, 5310413), (59, 360028), (118, 180014), (236, 90007)]