21550488

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12647}}^1$

素因数の和:12727

約数の個数: 32

約数和(自身を含む): 54639360

約数和(自身を除く): 33088872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12647, 25294, 37941, 50588, 75882, 101176, 151764, 303528, 897937, 1795874, 2693811, 3591748, 5387622, 7183496, 10775244, 21550488]

約数ペア:

[(1, 21550488), (2, 10775244), (3, 7183496), (4, 5387622), (6, 3591748), (8, 2693811), (12, 1795874), (24, 897937), (71, 303528), (142, 151764), (213, 101176), (284, 75882), (426, 50588), (568, 37941), (852, 25294), (1704, 12647)]