21053595

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12421}}^1$

素因数の和:12542

約数の個数: 16

約数和(自身を含む): 33986592

約数和(自身を除く): 12932997

約数列:

[1, 3, 5, 15, 113, 339, 565, 1695, 12421, 37263, 62105, 186315, 1403573, 4210719, 7017865, 21053595]

約数ペア:

[(1, 21053595), (3, 7017865), (5, 4210719), (15, 1403573), (113, 186315), (339, 62105), (565, 37263), (1695, 12421)]