21304910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11393}}^1$

素因数の和:11428

約数の個数: 32

約数和(自身を含む): 44299872

約数和(自身を除く): 22994962

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11393, 22786, 56965, 113930, 125323, 193681, 250646, 387362, 626615, 968405, 1253230, 1936810, 2130491, 4260982, 10652455, 21304910]

約数ペア:

[(1, 21304910), (2, 10652455), (5, 4260982), (10, 2130491), (11, 1936810), (17, 1253230), (22, 968405), (34, 626615), (55, 387362), (85, 250646), (110, 193681), (170, 125323), (187, 113930), (374, 56965), (935, 22786), (1870, 11393)]