21311988

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{22481}}^1$

素因数の和:22567

約数の個数: 24

約数和(自身を含む): 50359680

約数和(自身を除く): 29047692

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 948, 22481, 44962, 67443, 89924, 134886, 269772, 1775999, 3551998, 5327997, 7103996, 10655994, 21311988]

約数ペア:

[(1, 21311988), (2, 10655994), (3, 7103996), (4, 5327997), (6, 3551998), (12, 1775999), (79, 269772), (158, 134886), (237, 89924), (316, 67443), (474, 44962), (948, 22481)]