21236542730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163358021}}^1$

素因数の和:163358041

約数の個数: 16

約数和(自身を含む): 41166221544

約数和(自身を除く): 19929678814

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163358021, 326716042, 816790105, 1633580210, 2123654273, 4247308546, 10618271365, 21236542730]

約数ペア:

[(1, 21236542730), (2, 10618271365), (5, 4247308546), (10, 2123654273), (13, 1633580210), (26, 816790105), (65, 326716042), (130, 163358021)]