21580412

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45337}}^1$

素因数の和:45365

約数の個数: 24

約数和(自身を含む): 45700704

約数和(自身を除く): 24120292

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45337, 90674, 181348, 317359, 634718, 770729, 1269436, 1541458, 3082916, 5395103, 10790206, 21580412]

約数ペア:

[(1, 21580412), (2, 10790206), (4, 5395103), (7, 3082916), (14, 1541458), (17, 1269436), (28, 770729), (34, 634718), (68, 317359), (119, 181348), (238, 90674), (476, 45337)]