21375240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178127}}^1$

素因数の和:178141

約数の個数: 32

約数和(自身を含む): 64126080

約数和(自身を除く): 42750840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178127, 356254, 534381, 712508, 890635, 1068762, 1425016, 1781270, 2137524, 2671905, 3562540, 4275048, 5343810, 7125080, 10687620, 21375240]

約数ペア:

[(1, 21375240), (2, 10687620), (3, 7125080), (4, 5343810), (5, 4275048), (6, 3562540), (8, 2671905), (10, 2137524), (12, 1781270), (15, 1425016), (20, 1068762), (24, 890635), (30, 712508), (40, 534381), (60, 356254), (120, 178127)]