21111052

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1213}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 39090800

約数和(自身を除く): 17979748

約数列:

[1, 2, 4, 19, 38, 76, 229, 458, 916, 1213, 2426, 4351, 4852, 8702, 17404, 23047, 46094, 92188, 277777, 555554, 1111108, 5277763, 10555526, 21111052]

約数ペア:

[(1, 21111052), (2, 10555526), (4, 5277763), (19, 1111108), (38, 555554), (76, 277777), (229, 92188), (458, 46094), (916, 23047), (1213, 17404), (2426, 8702), (4351, 4852)]