21025416

素因数分解:

$2^3\times 3^1\times {\mathrm{197}}^1\times {\mathrm{4447}}^1$

素因数の和:4653

約数の個数: 32

約数和(自身を含む): 52842240

約数和(自身を除く): 31816824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 197, 394, 591, 788, 1182, 1576, 2364, 4447, 4728, 8894, 13341, 17788, 26682, 35576, 53364, 106728, 876059, 1752118, 2628177, 3504236, 5256354, 7008472, 10512708, 21025416]

約数ペア:

[(1, 21025416), (2, 10512708), (3, 7008472), (4, 5256354), (6, 3504236), (8, 2628177), (12, 1752118), (24, 876059), (197, 106728), (394, 53364), (591, 35576), (788, 26682), (1182, 17788), (1576, 13341), (2364, 8894), (4447, 4728)]