21904068

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 53028864

約数和(自身を除く): 31124796

約数列:

[1, 2, 3, 4, 6, 12, 47, 71, 94, 141, 142, 188, 213, 282, 284, 426, 547, 564, 852, 1094, 1641, 2188, 3282, 3337, 6564, 6674, 10011, 13348, 20022, 25709, 38837, 40044, 51418, 77127, 77674, 102836, 116511, 154254, 155348, 233022, 308508, 466044, 1825339, 3650678, 5476017, 7301356, 10952034, 21904068]

約数ペア:

[(1, 21904068), (2, 10952034), (3, 7301356), (4, 5476017), (6, 3650678), (12, 1825339), (47, 466044), (71, 308508), (94, 233022), (141, 155348), (142, 154254), (188, 116511), (213, 102836), (282, 77674), (284, 77127), (426, 51418), (547, 40044), (564, 38837), (852, 25709), (1094, 20022), (1641, 13348), (2188, 10011), (3282, 6674), (3337, 6564)]