21711516

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 32720484

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 71, 102, 142, 204, 213, 284, 426, 852, 1207, 1499, 2414, 2998, 3621, 4497, 4828, 5996, 7242, 8994, 14484, 17988, 25483, 50966, 76449, 101932, 106429, 152898, 212858, 305796, 319287, 425716, 638574, 1277148, 1809293, 3618586, 5427879, 7237172, 10855758, 21711516]

約数ペア:

[(1, 21711516), (2, 10855758), (3, 7237172), (4, 5427879), (6, 3618586), (12, 1809293), (17, 1277148), (34, 638574), (51, 425716), (68, 319287), (71, 305796), (102, 212858), (142, 152898), (204, 106429), (213, 101932), (284, 76449), (426, 50966), (852, 25483), (1207, 17988), (1499, 14484), (2414, 8994), (2998, 7242), (3621, 5996), (4497, 4828)]