21065192

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{33331}}^1$

素因数の和:33416

約数の個数: 16

約数和(自身を含む): 39998400

約数和(自身を除く): 18933208

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 33331, 66662, 133324, 266648, 2633149, 5266298, 10532596, 21065192]

約数ペア:

[(1, 21065192), (2, 10532596), (4, 5266298), (8, 2633149), (79, 266648), (158, 133324), (316, 66662), (632, 33331)]