21417494

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{17189}}^1$

素因数の和:17287

約数の個数: 16

約数和(自身を含む): 37130400

約数和(自身を除く): 15712906

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 17189, 34378, 120323, 240646, 1529821, 3059642, 10708747, 21417494]

約数ペア:

[(1, 21417494), (2, 10708747), (7, 3059642), (14, 1529821), (89, 240646), (178, 120323), (623, 34378), (1246, 17189)]