21544916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3137}}^1$

素因数の和:3259

約数の個数: 24

約数和(自身を含む): 40329576

約数和(自身を除く): 18784660

約数列:

[1, 2, 4, 17, 34, 68, 101, 202, 404, 1717, 3137, 3434, 6274, 6868, 12548, 53329, 106658, 213316, 316837, 633674, 1267348, 5386229, 10772458, 21544916]

約数ペア:

[(1, 21544916), (2, 10772458), (4, 5386229), (17, 1267348), (34, 633674), (68, 316837), (101, 213316), (202, 106658), (404, 53329), (1717, 12548), (3137, 6868), (3434, 6274)]