21105950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{18353}}^1$

素因数の和:18388

約数の個数: 24

約数和(自身を含む): 40966128

約数和(自身を除く): 19860178

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 18353, 36706, 91765, 183530, 422119, 458825, 844238, 917650, 2110595, 4221190, 10552975, 21105950]

約数ペア:

[(1, 21105950), (2, 10552975), (5, 4221190), (10, 2110595), (23, 917650), (25, 844238), (46, 458825), (50, 422119), (115, 183530), (230, 91765), (575, 36706), (1150, 18353)]