21550284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85517}}^1$

素因数の和:85534

約数の個数: 36

約数和(自身を含む): 62257104

約数和(自身を除く): 40706820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85517, 171034, 256551, 342068, 513102, 598619, 769653, 1026204, 1197238, 1539306, 1795857, 2394476, 3078612, 3591714, 5387571, 7183428, 10775142, 21550284]

約数ペア:

[(1, 21550284), (2, 10775142), (3, 7183428), (4, 5387571), (6, 3591714), (7, 3078612), (9, 2394476), (12, 1795857), (14, 1539306), (18, 1197238), (21, 1026204), (28, 769653), (36, 598619), (42, 513102), (63, 342068), (84, 256551), (126, 171034), (252, 85517)]