21658692

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2311}}^1$

素因数の和:2400

約数の個数: 48

約数和(自身を含む): 55931904

約数和(自身を除く): 34273212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 213, 284, 426, 781, 852, 1562, 2311, 2343, 3124, 4622, 4686, 6933, 9244, 9372, 13866, 25421, 27732, 50842, 76263, 101684, 152526, 164081, 305052, 328162, 492243, 656324, 984486, 1804891, 1968972, 3609782, 5414673, 7219564, 10829346, 21658692]

約数ペア:

[(1, 21658692), (2, 10829346), (3, 7219564), (4, 5414673), (6, 3609782), (11, 1968972), (12, 1804891), (22, 984486), (33, 656324), (44, 492243), (66, 328162), (71, 305052), (132, 164081), (142, 152526), (213, 101684), (284, 76263), (426, 50842), (781, 27732), (852, 25421), (1562, 13866), (2311, 9372), (2343, 9244), (3124, 6933), (4622, 4686)]