21649518

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{12149}}^1$

素因数の和:12174

約数の個数: 40

約数和(自身を含む): 52925400

約数和(自身を除く): 31275882

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 12149, 24298, 36447, 72894, 109341, 133639, 218682, 267278, 328023, 400917, 656046, 801834, 984069, 1202751, 1968138, 2405502, 3608253, 7216506, 10824759, 21649518]

約数ペア:

[(1, 21649518), (2, 10824759), (3, 7216506), (6, 3608253), (9, 2405502), (11, 1968138), (18, 1202751), (22, 984069), (27, 801834), (33, 656046), (54, 400917), (66, 328023), (81, 267278), (99, 218682), (162, 133639), (198, 109341), (297, 72894), (594, 36447), (891, 24298), (1782, 12149)]