21464212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 47190528

約数和(自身を除く): 25726316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 227, 307, 308, 454, 614, 908, 1228, 1589, 2149, 2497, 3178, 3377, 4298, 4994, 6356, 6754, 8596, 9988, 13508, 17479, 23639, 34958, 47278, 69689, 69916, 94556, 139378, 278756, 487823, 766579, 975646, 1533158, 1951292, 3066316, 5366053, 10732106, 21464212]

約数ペア:

[(1, 21464212), (2, 10732106), (4, 5366053), (7, 3066316), (11, 1951292), (14, 1533158), (22, 975646), (28, 766579), (44, 487823), (77, 278756), (154, 139378), (227, 94556), (307, 69916), (308, 69689), (454, 47278), (614, 34958), (908, 23639), (1228, 17479), (1589, 13508), (2149, 9988), (2497, 8596), (3178, 6754), (3377, 6356), (4298, 4994)]