21192648

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12437}}^1$

素因数の和:12517

約数の個数: 32

約数和(自身を含む): 53732160

約数和(自身を除く): 32539512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12437, 24874, 37311, 49748, 74622, 99496, 149244, 298488, 883027, 1766054, 2649081, 3532108, 5298162, 7064216, 10596324, 21192648]

約数ペア:

[(1, 21192648), (2, 10596324), (3, 7064216), (4, 5298162), (6, 3532108), (8, 2649081), (12, 1766054), (24, 883027), (71, 298488), (142, 149244), (213, 99496), (284, 74622), (426, 49748), (568, 37311), (852, 24874), (1704, 12437)]