21392988

素因数分解:

$2^2\times 3^1\times {\mathrm{307}}^1\times {\mathrm{5807}}^1$

素因数の和:6121

約数の個数: 24

約数和(自身を含む): 50088192

約数和(自身を除く): 28695204

約数列:

[1, 2, 3, 4, 6, 12, 307, 614, 921, 1228, 1842, 3684, 5807, 11614, 17421, 23228, 34842, 69684, 1782749, 3565498, 5348247, 7130996, 10696494, 21392988]

約数ペア:

[(1, 21392988), (2, 10696494), (3, 7130996), (4, 5348247), (6, 3565498), (12, 1782749), (307, 69684), (614, 34842), (921, 23228), (1228, 17421), (1842, 11614), (3684, 5807)]