21656971330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7481}}^1\times {\mathrm{17029}}^1$

素因数の和:24534

約数の個数: 32

約数和(自身を含む): 41283581040

約数和(自身を除く): 19626609710

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 7481, 14962, 17029, 34058, 37405, 74810, 85145, 127177, 170290, 254354, 289493, 578986, 635885, 1271770, 1447465, 2894930, 127393949, 254787898, 636969745, 1273939490, 2165697133, 4331394266, 10828485665, 21656971330]

約数ペア:

[(1, 21656971330), (2, 10828485665), (5, 4331394266), (10, 2165697133), (17, 1273939490), (34, 636969745), (85, 254787898), (170, 127393949), (7481, 2894930), (14962, 1447465), (17029, 1271770), (34058, 635885), (37405, 578986), (74810, 289493), (85145, 254354), (127177, 170290)]