21031828180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95599219}}^1$

素因数の和:95599239

約数の個数: 24

約数和(自身を含む): 48182006880

約数和(自身を除く): 27150178700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95599219, 191198438, 382396876, 477996095, 955992190, 1051591409, 1911984380, 2103182818, 4206365636, 5257957045, 10515914090, 21031828180]

約数ペア:

[(1, 21031828180), (2, 10515914090), (4, 5257957045), (5, 4206365636), (10, 2103182818), (11, 1911984380), (20, 1051591409), (22, 955992190), (44, 477996095), (55, 382396876), (110, 191198438), (220, 95599219)]