21065244

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3331}}^1$

素因数の和:3386

約数の個数: 48

約数和(自身を含む): 53738496

約数和(自身を除く): 32673252

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 51, 62, 68, 93, 102, 124, 186, 204, 372, 527, 1054, 1581, 2108, 3162, 3331, 6324, 6662, 9993, 13324, 19986, 39972, 56627, 103261, 113254, 169881, 206522, 226508, 309783, 339762, 413044, 619566, 679524, 1239132, 1755437, 3510874, 5266311, 7021748, 10532622, 21065244]

約数ペア:

[(1, 21065244), (2, 10532622), (3, 7021748), (4, 5266311), (6, 3510874), (12, 1755437), (17, 1239132), (31, 679524), (34, 619566), (51, 413044), (62, 339762), (68, 309783), (93, 226508), (102, 206522), (124, 169881), (186, 113254), (204, 103261), (372, 56627), (527, 39972), (1054, 19986), (1581, 13324), (2108, 9993), (3162, 6662), (3331, 6324)]