21969228

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{13171}}^1$

素因数の和:13317

約数の個数: 24

約数和(自身を含む): 51634240

約数和(自身を除く): 29665012

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 13171, 26342, 39513, 52684, 79026, 158052, 1830769, 3661538, 5492307, 7323076, 10984614, 21969228]

約数ペア:

[(1, 21969228), (2, 10984614), (3, 7323076), (4, 5492307), (6, 3661538), (12, 1830769), (139, 158052), (278, 79026), (417, 52684), (556, 39513), (834, 26342), (1668, 13171)]