21574360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31727}}^1$

素因数の和:31755

約数の個数: 32

約数和(自身を含む): 51399360

約数和(自身を除く): 29825000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 31727, 63454, 126908, 158635, 253816, 317270, 539359, 634540, 1078718, 1269080, 2157436, 2696795, 4314872, 5393590, 10787180, 21574360]

約数ペア:

[(1, 21574360), (2, 10787180), (4, 5393590), (5, 4314872), (8, 2696795), (10, 2157436), (17, 1269080), (20, 1078718), (34, 634540), (40, 539359), (68, 317270), (85, 253816), (136, 158635), (170, 126908), (340, 63454), (680, 31727)]