21868610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1033}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 41318640

約数和(自身を除く): 19450030

約数列:

[1, 2, 5, 10, 29, 58, 73, 145, 146, 290, 365, 730, 1033, 2066, 2117, 4234, 5165, 10330, 10585, 21170, 29957, 59914, 75409, 149785, 150818, 299570, 377045, 754090, 2186861, 4373722, 10934305, 21868610]

約数ペア:

[(1, 21868610), (2, 10934305), (5, 4373722), (10, 2186861), (29, 754090), (58, 377045), (73, 299570), (145, 150818), (146, 149785), (290, 75409), (365, 59914), (730, 29957), (1033, 21170), (2066, 10585), (2117, 10330), (4234, 5165)]