21341421

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{13397}}^1$

素因数の和:13465

約数の個数: 16

約数和(自身を含む): 32155200

約数和(自身を除く): 10813779

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 13397, 40191, 120573, 361719, 790423, 2371269, 7113807, 21341421]

約数ペア:

[(1, 21341421), (3, 7113807), (9, 2371269), (27, 790423), (59, 361719), (177, 120573), (531, 40191), (1593, 13397)]