21657635

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{3643}}^1$

素因数の和:3718

約数の個数: 16

約数和(自身を含む): 27548640

約数和(自身を除く): 5891005

約数列:

[1, 5, 29, 41, 145, 205, 1189, 3643, 5945, 18215, 105647, 149363, 528235, 746815, 4331527, 21657635]

約数ペア:

[(1, 21657635), (5, 4331527), (29, 746815), (41, 528235), (145, 149363), (205, 105647), (1189, 18215), (3643, 5945)]