21354244

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4423}}^1$

素因数の和:4515

約数の個数: 24

約数和(自身を含む): 40134528

約数和(自身を除く): 18780284

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4423, 4828, 8846, 17692, 75191, 150382, 300764, 314033, 628066, 1256132, 5338561, 10677122, 21354244]

約数ペア:

[(1, 21354244), (2, 10677122), (4, 5338561), (17, 1256132), (34, 628066), (68, 314033), (71, 300764), (142, 150382), (284, 75191), (1207, 17692), (2414, 8846), (4423, 4828)]