21356616

素因数分解:

$2^3\times 3^1\times {\mathrm{313}}^1\times {\mathrm{2843}}^1$

素因数の和:3165

約数の個数: 32

約数和(自身を含む): 53580960

約数和(自身を除く): 32224344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 313, 626, 939, 1252, 1878, 2504, 2843, 3756, 5686, 7512, 8529, 11372, 17058, 22744, 34116, 68232, 889859, 1779718, 2669577, 3559436, 5339154, 7118872, 10678308, 21356616]

約数ペア:

[(1, 21356616), (2, 10678308), (3, 7118872), (4, 5339154), (6, 3559436), (8, 2669577), (12, 1779718), (24, 889859), (313, 68232), (626, 34116), (939, 22744), (1252, 17058), (1878, 11372), (2504, 8529), (2843, 7512), (3756, 5686)]