21058708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20809}}^1$

素因数の和:20847

約数の個数: 24

約数和(自身を含む): 41952960

約数和(自身を除く): 20894252

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20809, 41618, 83236, 228899, 457798, 478607, 915596, 957214, 1914428, 5264677, 10529354, 21058708]

約数ペア:

[(1, 21058708), (2, 10529354), (4, 5264677), (11, 1914428), (22, 957214), (23, 915596), (44, 478607), (46, 457798), (92, 228899), (253, 83236), (506, 41618), (1012, 20809)]