21868987

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{6337}}^1$

素因数の和:6390

約数の個数: 16

約数和(自身を含む): 27380160

約数和(自身を除く): 5511173

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 6337, 44359, 107729, 183773, 754103, 1286411, 3124141, 21868987]

約数ペア:

[(1, 21868987), (7, 3124141), (17, 1286411), (29, 754103), (119, 183773), (203, 107729), (493, 44359), (3451, 6337)]