21322365

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20021}}^1$

素因数の和:20100

約数の個数: 16

約数和(自身を含む): 34598016

約数和(自身を除く): 13275651

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 20021, 60063, 100105, 300315, 1421491, 4264473, 7107455, 21322365]

約数ペア:

[(1, 21322365), (3, 7107455), (5, 4264473), (15, 1421491), (71, 300315), (213, 100105), (355, 60063), (1065, 20021)]