21097620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117209}}^1$

素因数の和:117224

約数の個数: 36

約数和(自身を含む): 63996660

約数和(自身を除く): 42899040

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117209, 234418, 351627, 468836, 586045, 703254, 1054881, 1172090, 1406508, 1758135, 2109762, 2344180, 3516270, 4219524, 5274405, 7032540, 10548810, 21097620]

約数ペア:

[(1, 21097620), (2, 10548810), (3, 7032540), (4, 5274405), (5, 4219524), (6, 3516270), (9, 2344180), (10, 2109762), (12, 1758135), (15, 1406508), (18, 1172090), (20, 1054881), (30, 703254), (36, 586045), (45, 468836), (60, 351627), (90, 234418), (180, 117209)]