21318072

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18899}}^1$

素因数の和:18955

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 33113928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18899, 37798, 56697, 75596, 113394, 151192, 226788, 453576, 888253, 1776506, 2664759, 3553012, 5329518, 7106024, 10659036, 21318072]

約数ペア:

[(1, 21318072), (2, 10659036), (3, 7106024), (4, 5329518), (6, 3553012), (8, 2664759), (12, 1776506), (24, 888253), (47, 453576), (94, 226788), (141, 151192), (188, 113394), (282, 75596), (376, 56697), (564, 37798), (1128, 18899)]