21609702

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 48870432

約数和(自身を除く): 27260730

約数列:

[1, 2, 3, 6, 9, 18, 37, 71, 74, 111, 142, 213, 222, 333, 426, 457, 639, 666, 914, 1278, 1371, 2627, 2742, 4113, 5254, 7881, 8226, 15762, 16909, 23643, 32447, 33818, 47286, 50727, 64894, 97341, 101454, 152181, 194682, 292023, 304362, 584046, 1200539, 2401078, 3601617, 7203234, 10804851, 21609702]

約数ペア:

[(1, 21609702), (2, 10804851), (3, 7203234), (6, 3601617), (9, 2401078), (18, 1200539), (37, 584046), (71, 304362), (74, 292023), (111, 194682), (142, 152181), (213, 101454), (222, 97341), (333, 64894), (426, 50727), (457, 47286), (639, 33818), (666, 32447), (914, 23643), (1278, 16909), (1371, 15762), (2627, 8226), (2742, 7881), (4113, 5254)]