21263388

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 30144612

約数列:

[1, 2, 3, 4, 6, 12, 53, 67, 106, 134, 159, 201, 212, 268, 318, 402, 499, 636, 804, 998, 1497, 1996, 2994, 3551, 5988, 7102, 10653, 14204, 21306, 26447, 33433, 42612, 52894, 66866, 79341, 100299, 105788, 133732, 158682, 200598, 317364, 401196, 1771949, 3543898, 5315847, 7087796, 10631694, 21263388]

約数ペア:

[(1, 21263388), (2, 10631694), (3, 7087796), (4, 5315847), (6, 3543898), (12, 1771949), (53, 401196), (67, 317364), (106, 200598), (134, 158682), (159, 133732), (201, 105788), (212, 100299), (268, 79341), (318, 66866), (402, 52894), (499, 42612), (636, 33433), (804, 26447), (998, 21306), (1497, 14204), (1996, 10653), (2994, 7102), (3551, 5988)]