21989336

素因数分解:

$2^3\times {\mathrm{757}}^1\times {\mathrm{3631}}^1$

素因数の和:4394

約数の個数: 16

約数和(自身を含む): 41295840

約数和(自身を除く): 19306504

約数列:

[1, 2, 4, 8, 757, 1514, 3028, 3631, 6056, 7262, 14524, 29048, 2748667, 5497334, 10994668, 21989336]

約数ペア:

[(1, 21989336), (2, 10994668), (4, 5497334), (8, 2748667), (757, 29048), (1514, 14524), (3028, 7262), (3631, 6056)]