21908036

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3011}}^1$

素因数の和:3139

約数の個数: 24

約数和(自身を含む): 40987296

約数和(自身を除く): 19079260

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 3011, 3638, 6022, 7276, 12044, 51187, 102374, 204748, 322177, 644354, 1288708, 5477009, 10954018, 21908036]

約数ペア:

[(1, 21908036), (2, 10954018), (4, 5477009), (17, 1288708), (34, 644354), (68, 322177), (107, 204748), (214, 102374), (428, 51187), (1819, 12044), (3011, 7276), (3638, 6022)]