21232515

素因数分解:

$3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7411}}^1$

素因数の和:7610

約数の個数: 16

約数和(自身を含む): 34154496

約数和(自身を除く): 12921981

約数列:

[1, 3, 5, 15, 191, 573, 955, 2865, 7411, 22233, 37055, 111165, 1415501, 4246503, 7077505, 21232515]

約数ペア:

[(1, 21232515), (3, 7077505), (5, 4246503), (15, 1415501), (191, 111165), (573, 37055), (955, 22233), (2865, 7411)]