21634268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4481}}^1$

素因数の和:4573

約数の個数: 24

約数和(自身を含む): 40660704

約数和(自身を除く): 19026436

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4481, 4828, 8962, 17924, 76177, 152354, 304708, 318151, 636302, 1272604, 5408567, 10817134, 21634268]

約数ペア:

[(1, 21634268), (2, 10817134), (4, 5408567), (17, 1272604), (34, 636302), (68, 318151), (71, 304708), (142, 152354), (284, 76177), (1207, 17924), (2414, 8962), (4481, 4828)]