21427020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119039}}^1$

素因数の和:119054

約数の個数: 36

約数和(自身を含む): 64995840

約数和(自身を除く): 43568820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119039, 238078, 357117, 476156, 595195, 714234, 1071351, 1190390, 1428468, 1785585, 2142702, 2380780, 3571170, 4285404, 5356755, 7142340, 10713510, 21427020]

約数ペア:

[(1, 21427020), (2, 10713510), (3, 7142340), (4, 5356755), (5, 4285404), (6, 3571170), (9, 2380780), (10, 2142702), (12, 1785585), (15, 1428468), (18, 1190390), (20, 1071351), (30, 714234), (36, 595195), (45, 476156), (60, 357117), (90, 238078), (180, 119039)]