21373744

素因数分解:

$2^4\times 7^1\times {\mathrm{190837}}^1$

素因数の和:190852

約数の個数: 20

約数和(自身を含む): 47327824

約数和(自身を除く): 25954080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190837, 381674, 763348, 1335859, 1526696, 2671718, 3053392, 5343436, 10686872, 21373744]

約数ペア:

[(1, 21373744), (2, 10686872), (4, 5343436), (7, 3053392), (8, 2671718), (14, 1526696), (16, 1335859), (28, 763348), (56, 381674), (112, 190837)]