21447722

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 34712064

約数和(自身を除く): 13264342

約数列:

[1, 2, 31, 53, 61, 62, 106, 107, 122, 214, 1643, 1891, 3233, 3286, 3317, 3782, 5671, 6466, 6527, 6634, 11342, 13054, 100223, 175801, 200446, 202337, 345931, 351602, 404674, 691862, 10723861, 21447722]

約数ペア:

[(1, 21447722), (2, 10723861), (31, 691862), (53, 404674), (61, 351602), (62, 345931), (106, 202337), (107, 200446), (122, 175801), (214, 100223), (1643, 13054), (1891, 11342), (3233, 6634), (3286, 6527), (3317, 6466), (3782, 5671)]