21297762

素因数分解:

$2^1\times 3^3\times {\mathrm{149}}^1\times {\mathrm{2647}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 47664000

約数和(自身を除く): 26366238

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 149, 298, 447, 894, 1341, 2647, 2682, 4023, 5294, 7941, 8046, 15882, 23823, 47646, 71469, 142938, 394403, 788806, 1183209, 2366418, 3549627, 7099254, 10648881, 21297762]

約数ペア:

[(1, 21297762), (2, 10648881), (3, 7099254), (6, 3549627), (9, 2366418), (18, 1183209), (27, 788806), (54, 394403), (149, 142938), (298, 71469), (447, 47646), (894, 23823), (1341, 15882), (2647, 8046), (2682, 7941), (4023, 5294)]