21595772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{2939}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 41489280

約数和(自身を除く): 19893508

約数列:

[1, 2, 4, 11, 22, 44, 167, 334, 668, 1837, 2939, 3674, 5878, 7348, 11756, 32329, 64658, 129316, 490813, 981626, 1963252, 5398943, 10797886, 21595772]

約数ペア:

[(1, 21595772), (2, 10797886), (4, 5398943), (11, 1963252), (22, 981626), (44, 490813), (167, 129316), (334, 64658), (668, 32329), (1837, 11756), (2939, 7348), (3674, 5878)]