21363758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 24

約数和(自身を含む): 35218344

約数和(自身を除く): 13854586

約数列:

[1, 2, 13, 26, 71, 142, 163, 326, 923, 1846, 2119, 4238, 5041, 10082, 11573, 23146, 65533, 131066, 150449, 300898, 821683, 1643366, 10681879, 21363758]

約数ペア:

[(1, 21363758), (2, 10681879), (13, 1643366), (26, 821683), (71, 300898), (142, 150449), (163, 131066), (326, 65533), (923, 23146), (1846, 11573), (2119, 10082), (4238, 5041)]