21551618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{1447}}^1$

素因数の和:2137

約数の個数: 16

約数和(自身を含む): 35342784

約数和(自身を除く): 13791166

約数列:

[1, 2, 11, 22, 677, 1354, 1447, 2894, 7447, 14894, 15917, 31834, 979619, 1959238, 10775809, 21551618]

約数ペア:

[(1, 21551618), (2, 10775809), (11, 1959238), (22, 979619), (677, 31834), (1354, 15917), (1447, 14894), (2894, 7447)]