21000306564

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{2090831}}^1$

素因数の和:2090878

約数の個数: 60

約数和(自身を含む): 56669910528

約数和(自身を除く): 35669603964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 279, 324, 372, 558, 837, 1116, 1674, 2511, 3348, 5022, 10044, 2090831, 4181662, 6272493, 8363324, 12544986, 18817479, 25089972, 37634958, 56452437, 64815761, 75269916, 112904874, 129631522, 169357311, 194447283, 225809748, 259263044, 338714622, 388894566, 583341849, 677429244, 777789132, 1166683698, 1750025547, 2333367396, 3500051094, 5250076641, 7000102188, 10500153282, 21000306564]

約数ペア:

[(1, 21000306564), (2, 10500153282), (3, 7000102188), (4, 5250076641), (6, 3500051094), (9, 2333367396), (12, 1750025547), (18, 1166683698), (27, 777789132), (31, 677429244), (36, 583341849), (54, 388894566), (62, 338714622), (81, 259263044), (93, 225809748), (108, 194447283), (124, 169357311), (162, 129631522), (186, 112904874), (279, 75269916), (324, 64815761), (372, 56452437), (558, 37634958), (837, 25089972), (1116, 18817479), (1674, 12544986), (2511, 8363324), (3348, 6272493), (5022, 4181662), (10044, 2090831)]