21021918

素因数分解:

$2^1\times 3^1\times {\mathrm{151}}^1\times {\mathrm{23203}}^1$

素因数の和:23359

約数の個数: 16

約数和(自身を含む): 42324096

約数和(自身を除く): 21302178

約数列:

[1, 2, 3, 6, 151, 302, 453, 906, 23203, 46406, 69609, 139218, 3503653, 7007306, 10510959, 21021918]

約数ペア:

[(1, 21021918), (2, 10510959), (3, 7007306), (6, 3503653), (151, 139218), (302, 69609), (453, 46406), (906, 23203)]