21163822

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1447}}^1$

素因数の和:1623

約数の個数: 16

約数和(自身を含む): 32527872

約数和(自身を除く): 11364050

約数列:

[1, 2, 71, 103, 142, 206, 1447, 2894, 7313, 14626, 102737, 149041, 205474, 298082, 10581911, 21163822]

約数ペア:

[(1, 21163822), (2, 10581911), (71, 298082), (103, 205474), (142, 149041), (206, 102737), (1447, 14626), (2894, 7313)]