21063170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5387}}^1$

素因数の和:5434

約数の個数: 32

約数和(自身を含む): 41897088

約数和(自身を除く): 20833918

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5387, 10774, 26935, 53870, 91579, 123901, 183158, 247802, 457895, 619505, 915790, 1239010, 2106317, 4212634, 10531585, 21063170]

約数ペア:

[(1, 21063170), (2, 10531585), (5, 4212634), (10, 2106317), (17, 1239010), (23, 915790), (34, 619505), (46, 457895), (85, 247802), (115, 183158), (170, 123901), (230, 91579), (391, 53870), (782, 26935), (1955, 10774), (3910, 5387)]