21000270945

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45161873}}^1$

素因数の和:45161912

約数の個数: 16

約数和(自身を含む): 34684319232

約数和(自身を除く): 13684048287

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 45161873, 135485619, 225809365, 677428095, 1400018063, 4200054189, 7000090315, 21000270945]

約数ペア:

[(1, 21000270945), (3, 7000090315), (5, 4200054189), (15, 1400018063), (31, 677428095), (93, 225809365), (155, 135485619), (465, 45161873)]