21044470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123791}}^1$

素因数の和:123815

約数の個数: 16

約数和(自身を含む): 40108608

約数和(自身を除く): 19064138

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 123791, 247582, 618955, 1237910, 2104447, 4208894, 10522235, 21044470]

約数ペア:

[(1, 21044470), (2, 10522235), (5, 4208894), (10, 2104447), (17, 1237910), (34, 618955), (85, 247582), (170, 123791)]