21907593

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 32842368

約数和(自身を除く): 10934775

約数列:

[1, 3, 9, 47, 67, 141, 201, 423, 603, 773, 2319, 3149, 6957, 9447, 28341, 36331, 51791, 108993, 155373, 326979, 466119, 2434177, 7302531, 21907593]

約数ペア:

[(1, 21907593), (3, 7302531), (9, 2434177), (47, 466119), (67, 326979), (141, 155373), (201, 108993), (423, 51791), (603, 36331), (773, 28341), (2319, 9447), (3149, 6957)]