21294555

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{48953}}^1$

素因数の和:48990

約数の個数: 16

約数和(自身を含む): 35246880

約数和(自身を除く): 13952325

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 48953, 146859, 244765, 734295, 1419637, 4258911, 7098185, 21294555]

約数ペア:

[(1, 21294555), (3, 7098185), (5, 4258911), (15, 1419637), (29, 734295), (87, 244765), (145, 146859), (435, 48953)]