21494943

素因数分解:

$3^3\times {\mathrm{239}}^1\times {\mathrm{3331}}^1$

素因数の和:3579

約数の個数: 16

約数和(自身を含む): 31987200

約数和(自身を除く): 10492257

約数列:

[1, 3, 9, 27, 239, 717, 2151, 3331, 6453, 9993, 29979, 89937, 796109, 2388327, 7164981, 21494943]

約数ペア:

[(1, 21494943), (3, 7164981), (9, 2388327), (27, 796109), (239, 89937), (717, 29979), (2151, 9993), (3331, 6453)]