21453856

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{5279}}^1$

素因数の和:5416

約数の個数: 24

約数和(自身を含む): 42577920

約数和(自身を除く): 21124064

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 1016, 2032, 4064, 5279, 10558, 21116, 42232, 84464, 168928, 670433, 1340866, 2681732, 5363464, 10726928, 21453856]

約数ペア:

[(1, 21453856), (2, 10726928), (4, 5363464), (8, 2681732), (16, 1340866), (32, 670433), (127, 168928), (254, 84464), (508, 42232), (1016, 21116), (2032, 10558), (4064, 5279)]