21435436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28657}}^1$

素因数の和:28689

約数の個数: 24

約数和(自身を含む): 43330896

約数和(自身を除く): 21895460

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28657, 57314, 114628, 315227, 487169, 630454, 974338, 1260908, 1948676, 5358859, 10717718, 21435436]

約数ペア:

[(1, 21435436), (2, 10717718), (4, 5358859), (11, 1948676), (17, 1260908), (22, 974338), (34, 630454), (44, 487169), (68, 315227), (187, 114628), (374, 57314), (748, 28657)]