21688536

素因数分解:

$2^3\times 3^1\times {\mathrm{499}}^1\times {\mathrm{1811}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 54360000

約数和(自身を除く): 32671464

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 499, 998, 1497, 1811, 1996, 2994, 3622, 3992, 5433, 5988, 7244, 10866, 11976, 14488, 21732, 43464, 903689, 1807378, 2711067, 3614756, 5422134, 7229512, 10844268, 21688536]

約数ペア:

[(1, 21688536), (2, 10844268), (3, 7229512), (4, 5422134), (6, 3614756), (8, 2711067), (12, 1807378), (24, 903689), (499, 43464), (998, 21732), (1497, 14488), (1811, 11976), (1996, 10866), (2994, 7244), (3622, 5988), (3992, 5433)]