21090976

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9283}}^1$

素因数の和:9364

約数の個数: 24

約数和(自身を含む): 42112224

約数和(自身を除く): 21021248

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9283, 18566, 37132, 74264, 148528, 297056, 659093, 1318186, 2636372, 5272744, 10545488, 21090976]

約数ペア:

[(1, 21090976), (2, 10545488), (4, 5272744), (8, 2636372), (16, 1318186), (32, 659093), (71, 297056), (142, 148528), (284, 74264), (568, 37132), (1136, 18566), (2272, 9283)]