21622256

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28753}}^1$

素因数の和:28808

約数の個数: 20

約数和(自身を含む): 42785952

約数和(自身を除く): 21163696

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28753, 57506, 115012, 230024, 460048, 1351391, 2702782, 5405564, 10811128, 21622256]

約数ペア:

[(1, 21622256), (2, 10811128), (4, 5405564), (8, 2702782), (16, 1351391), (47, 460048), (94, 230024), (188, 115012), (376, 57506), (752, 28753)]