21360794

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 39680256

約数和(自身を除く): 18319462

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 241, 482, 487, 974, 1687, 3133, 3374, 3409, 6266, 6331, 6818, 12662, 21931, 43862, 44317, 88634, 117367, 234734, 821569, 1525771, 1643138, 3051542, 10680397, 21360794]

約数ペア:

[(1, 21360794), (2, 10680397), (7, 3051542), (13, 1643138), (14, 1525771), (26, 821569), (91, 234734), (182, 117367), (241, 88634), (482, 44317), (487, 43862), (974, 21931), (1687, 12662), (3133, 6818), (3374, 6331), (3409, 6266)]