21562236

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^2$

素因数の和:319

約数の個数: 54

約数和(自身を含む): 56670432

約数和(自身を除く): 35108196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 139, 186, 278, 279, 372, 417, 556, 558, 834, 1116, 1251, 1668, 2502, 4309, 5004, 8618, 12927, 17236, 19321, 25854, 38642, 38781, 51708, 57963, 77284, 77562, 115926, 155124, 173889, 231852, 347778, 598951, 695556, 1197902, 1796853, 2395804, 3593706, 5390559, 7187412, 10781118, 21562236]

約数ペア:

[(1, 21562236), (2, 10781118), (3, 7187412), (4, 5390559), (6, 3593706), (9, 2395804), (12, 1796853), (18, 1197902), (31, 695556), (36, 598951), (62, 347778), (93, 231852), (124, 173889), (139, 155124), (186, 115926), (278, 77562), (279, 77284), (372, 57963), (417, 51708), (556, 38781), (558, 38642), (834, 25854), (1116, 19321), (1251, 17236), (1668, 12927), (2502, 8618), (4309, 5004)]