21161416

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1809

約数の個数: 32

約数和(自身を含む): 41844600

約数和(自身を除く): 20683184

約数列:

[1, 2, 4, 8, 29, 53, 58, 106, 116, 212, 232, 424, 1537, 1721, 3074, 3442, 6148, 6884, 12296, 13768, 49909, 91213, 99818, 182426, 199636, 364852, 399272, 729704, 2645177, 5290354, 10580708, 21161416]

約数ペア:

[(1, 21161416), (2, 10580708), (4, 5290354), (8, 2645177), (29, 729704), (53, 399272), (58, 364852), (106, 199636), (116, 182426), (212, 99818), (232, 91213), (424, 49909), (1537, 13768), (1721, 12296), (3074, 6884), (3442, 6148)]