21685554

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3533}}^1$

素因数の和:3583

約数の個数: 48

約数和(自身を含む): 52925184

約数和(自身を除く): 31239630

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 186, 198, 279, 341, 558, 682, 1023, 2046, 3069, 3533, 6138, 7066, 10599, 21198, 31797, 38863, 63594, 77726, 109523, 116589, 219046, 233178, 328569, 349767, 657138, 699534, 985707, 1204753, 1971414, 2409506, 3614259, 7228518, 10842777, 21685554]

約数ペア:

[(1, 21685554), (2, 10842777), (3, 7228518), (6, 3614259), (9, 2409506), (11, 1971414), (18, 1204753), (22, 985707), (31, 699534), (33, 657138), (62, 349767), (66, 328569), (93, 233178), (99, 219046), (186, 116589), (198, 109523), (279, 77726), (341, 63594), (558, 38863), (682, 31797), (1023, 21198), (2046, 10599), (3069, 7066), (3533, 6138)]