21301744

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{3089}}^1$

素因数の和:3528

約数の個数: 20

約数和(自身を含む): 41381280

約数和(自身を除く): 20079536

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3089, 3448, 6178, 6896, 12356, 24712, 49424, 1331359, 2662718, 5325436, 10650872, 21301744]

約数ペア:

[(1, 21301744), (2, 10650872), (4, 5325436), (8, 2662718), (16, 1331359), (431, 49424), (862, 24712), (1724, 12356), (3089, 6896), (3448, 6178)]