21035546

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2610

約数の個数: 32

約数和(自身を含む): 39198720

約数和(自身を除く): 18163174

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 2551, 4123, 5102, 8246, 17857, 35714, 48469, 79081, 96938, 158162, 339283, 553567, 678566, 1107134, 1502539, 3005078, 10517773, 21035546]

約数ペア:

[(1, 21035546), (2, 10517773), (7, 3005078), (14, 1502539), (19, 1107134), (31, 678566), (38, 553567), (62, 339283), (133, 158162), (217, 96938), (266, 79081), (434, 48469), (589, 35714), (1178, 17857), (2551, 8246), (4123, 5102)]