21221916

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4523}}^1$

素因数の和:4570

約数の個数: 48

約数和(自身を含む): 54722304

約数和(自身を除く): 33500388

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 204, 276, 391, 782, 1173, 1564, 2346, 4523, 4692, 9046, 13569, 18092, 27138, 54276, 76891, 104029, 153782, 208058, 230673, 307564, 312087, 416116, 461346, 624174, 922692, 1248348, 1768493, 3536986, 5305479, 7073972, 10610958, 21221916]

約数ペア:

[(1, 21221916), (2, 10610958), (3, 7073972), (4, 5305479), (6, 3536986), (12, 1768493), (17, 1248348), (23, 922692), (34, 624174), (46, 461346), (51, 416116), (68, 312087), (69, 307564), (92, 230673), (102, 208058), (138, 153782), (204, 104029), (276, 76891), (391, 54276), (782, 27138), (1173, 18092), (1564, 13569), (2346, 9046), (4523, 4692)]