21527484

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2386

約数の個数: 48

約数和(自身を含む): 55593216

約数和(自身を除く): 34065732

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 213, 284, 426, 781, 852, 1562, 2297, 2343, 3124, 4594, 4686, 6891, 9188, 9372, 13782, 25267, 27564, 50534, 75801, 101068, 151602, 163087, 303204, 326174, 489261, 652348, 978522, 1793957, 1957044, 3587914, 5381871, 7175828, 10763742, 21527484]

約数ペア:

[(1, 21527484), (2, 10763742), (3, 7175828), (4, 5381871), (6, 3587914), (11, 1957044), (12, 1793957), (22, 978522), (33, 652348), (44, 489261), (66, 326174), (71, 303204), (132, 163087), (142, 151602), (213, 101068), (284, 75801), (426, 50534), (781, 27564), (852, 25267), (1562, 13782), (2297, 9372), (2343, 9188), (3124, 6891), (4594, 4686)]