21712572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86161}}^1$

素因数の和:86178

約数の個数: 36

約数和(自身を含む): 62725936

約数和(自身を除く): 41013364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86161, 172322, 258483, 344644, 516966, 603127, 775449, 1033932, 1206254, 1550898, 1809381, 2412508, 3101796, 3618762, 5428143, 7237524, 10856286, 21712572]

約数ペア:

[(1, 21712572), (2, 10856286), (3, 7237524), (4, 5428143), (6, 3618762), (7, 3101796), (9, 2412508), (12, 1809381), (14, 1550898), (18, 1206254), (21, 1033932), (28, 775449), (36, 603127), (42, 516966), (63, 344644), (84, 258483), (126, 172322), (252, 86161)]