21868396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{701}}^1\times {\mathrm{709}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 41867280

約数和(自身を除く): 19998884

約数列:

[1, 2, 4, 11, 22, 44, 701, 709, 1402, 1418, 2804, 2836, 7711, 7799, 15422, 15598, 30844, 31196, 497009, 994018, 1988036, 5467099, 10934198, 21868396]

約数ペア:

[(1, 21868396), (2, 10934198), (4, 5467099), (11, 1988036), (22, 994018), (44, 497009), (701, 31196), (709, 30844), (1402, 15598), (1418, 15422), (2804, 7799), (2836, 7711)]