21326046

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1279}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 48906240

約数和(自身を除く): 27580194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 397, 794, 1191, 1279, 2382, 2558, 2779, 3837, 5558, 7674, 8337, 8953, 16674, 17906, 26859, 53718, 507763, 1015526, 1523289, 3046578, 3554341, 7108682, 10663023, 21326046]

約数ペア:

[(1, 21326046), (2, 10663023), (3, 7108682), (6, 3554341), (7, 3046578), (14, 1523289), (21, 1015526), (42, 507763), (397, 53718), (794, 26859), (1191, 17906), (1279, 16674), (2382, 8953), (2558, 8337), (2779, 7674), (3837, 5558)]