21438862

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{2887}}^1$

素因数の和:3015

約数の個数: 16

約数和(自身を含む): 33269760

約数和(自身を除く): 11830898

約数列:

[1, 2, 47, 79, 94, 158, 2887, 3713, 5774, 7426, 135689, 228073, 271378, 456146, 10719431, 21438862]

約数ペア:

[(1, 21438862), (2, 10719431), (47, 456146), (79, 271378), (94, 228073), (158, 135689), (2887, 7426), (3713, 5774)]