21522088

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5413}}^1$

素因数の和:5497

約数の個数: 32

約数和(自身を含む): 46776960

約数和(自身を除く): 25254872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 5413, 10826, 21652, 37891, 43304, 75782, 151564, 303128, 384323, 768646, 1537292, 2690261, 3074584, 5380522, 10761044, 21522088]

約数ペア:

[(1, 21522088), (2, 10761044), (4, 5380522), (7, 3074584), (8, 2690261), (14, 1537292), (28, 768646), (56, 384323), (71, 303128), (142, 151564), (284, 75782), (497, 43304), (568, 37891), (994, 21652), (1988, 10826), (3976, 5413)]