21131238

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{207169}}^1$

素因数の和:207191

約数の個数: 16

約数和(自身を含む): 44748720

約数和(自身を除く): 23617482

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 207169, 414338, 621507, 1243014, 3521873, 7043746, 10565619, 21131238]

約数ペア:

[(1, 21131238), (2, 10565619), (3, 7043746), (6, 3521873), (17, 1243014), (34, 621507), (51, 414338), (102, 207169)]