21293013321

素因数分解:

$3^3\times {\mathrm{1427}}^1\times {\mathrm{552649}}^1$

素因数の和:554085

約数の個数: 16

約数和(自身を含む): 31567368000

約数和(自身を除く): 10274354679

約数列:

[1, 3, 9, 27, 1427, 4281, 12843, 38529, 552649, 1657947, 4973841, 14921523, 788630123, 2365890369, 7097671107, 21293013321]

約数ペア:

[(1, 21293013321), (3, 7097671107), (9, 2365890369), (27, 788630123), (1427, 14921523), (4281, 4973841), (12843, 1657947), (38529, 552649)]