21021926

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{8429}}^1$

素因数の和:8503

約数の個数: 16

約数和(自身を含む): 33382800

約数和(自身を除く): 12360874

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 8429, 16858, 244441, 362447, 488882, 724894, 10510963, 21021926]

約数ペア:

[(1, 21021926), (2, 10510963), (29, 724894), (43, 488882), (58, 362447), (86, 244441), (1247, 16858), (2494, 8429)]