21991948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29401}}^1$

素因数の和:29433

約数の個数: 24

約数和(自身を含む): 44455824

約数和(自身を除く): 22463876

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 29401, 58802, 117604, 323411, 499817, 646822, 999634, 1293644, 1999268, 5497987, 10995974, 21991948]

約数ペア:

[(1, 21991948), (2, 10995974), (4, 5497987), (11, 1999268), (17, 1293644), (22, 999634), (34, 646822), (44, 499817), (68, 323411), (187, 117604), (374, 58802), (748, 29401)]