21711386

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1777}}^1$

素因数の和:1969

約数の個数: 16

約数和(自身を含む): 33604200

約数和(自身を除く): 11892814

約数列:

[1, 2, 41, 82, 149, 298, 1777, 3554, 6109, 12218, 72857, 145714, 264773, 529546, 10855693, 21711386]

約数ペア:

[(1, 21711386), (2, 10855693), (41, 529546), (82, 264773), (149, 145714), (298, 72857), (1777, 12218), (3554, 6109)]