21231742

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89209}}^1$

素因数の和:89235

約数の個数: 16

約数和(自身を含む): 38538720

約数和(自身を除く): 17306978

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 89209, 178418, 624463, 1248926, 1516553, 3033106, 10615871, 21231742]

約数ペア:

[(1, 21231742), (2, 10615871), (7, 3033106), (14, 1516553), (17, 1248926), (34, 624463), (119, 178418), (238, 89209)]