21022045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1229}}^1$

素因数の和:1556

約数の個数: 16

約数和(自身を含む): 27630720

約数和(自身を除く): 6608675

約数列:

[1, 5, 11, 55, 311, 1229, 1555, 3421, 6145, 13519, 17105, 67595, 382219, 1911095, 4204409, 21022045]

約数ペア:

[(1, 21022045), (5, 4204409), (11, 1911095), (55, 382219), (311, 67595), (1229, 17105), (1555, 13519), (3421, 6145)]