21986936

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{88657}}^1$

素因数の和:88694

約数の個数: 16

約数和(自身を含む): 42555840

約数和(自身を除く): 20568904

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 88657, 177314, 354628, 709256, 2748367, 5496734, 10993468, 21986936]

約数ペア:

[(1, 21986936), (2, 10993468), (4, 5496734), (8, 2748367), (31, 709256), (62, 354628), (124, 177314), (248, 88657)]