21151222

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{2711}}^1$

素因数の和:2843

約数の個数: 16

約数和(自身を含む): 32804352

約数和(自身を除く): 11653130

約数列:

[1, 2, 47, 83, 94, 166, 2711, 3901, 5422, 7802, 127417, 225013, 254834, 450026, 10575611, 21151222]

約数ペア:

[(1, 21151222), (2, 10575611), (47, 450026), (83, 254834), (94, 225013), (166, 127417), (2711, 7802), (3901, 5422)]