21177494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12157}}^1$

素因数の和:12239

約数の個数: 16

約数和(自身を含む): 34723248

約数和(自身を除く): 13545754

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 12157, 24314, 158041, 316082, 814519, 1629038, 10588747, 21177494]

約数ペア:

[(1, 21177494), (2, 10588747), (13, 1629038), (26, 814519), (67, 316082), (134, 158041), (871, 24314), (1742, 12157)]