21216374

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{3607}}^1$

素因数の和:3799

約数の個数: 16

約数和(自身を含む): 33900768

約数和(自身を除く): 12684394

約数列:

[1, 2, 17, 34, 173, 346, 2941, 3607, 5882, 7214, 61319, 122638, 624011, 1248022, 10608187, 21216374]

約数ペア:

[(1, 21216374), (2, 10608187), (17, 1248022), (34, 624011), (173, 122638), (346, 61319), (2941, 7214), (3607, 5882)]