21715472

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{5281}}^1$

素因数の和:5546

約数の個数: 20

約数和(自身を含む): 42245436

約数和(自身を除く): 20529964

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 5281, 10562, 21124, 42248, 84496, 1357217, 2714434, 5428868, 10857736, 21715472]

約数ペア:

[(1, 21715472), (2, 10857736), (4, 5428868), (8, 2714434), (16, 1357217), (257, 84496), (514, 42248), (1028, 21124), (2056, 10562), (4112, 5281)]