21906482

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11867}}^1$

素因数の和:11953

約数の個数: 16

約数和(自身を含む): 35888832

約数和(自身を除く): 13982350

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11867, 23734, 154271, 308542, 842557, 1685114, 10953241, 21906482]

約数ペア:

[(1, 21906482), (2, 10953241), (13, 1685114), (26, 842557), (71, 308542), (142, 154271), (923, 23734), (1846, 11867)]