21949465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13591}}^1$

素因数の和:13632

約数の個数: 16

約数和(自身を含む): 29358720

約数和(自身を除く): 7409255

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 13591, 67955, 231047, 258229, 1155235, 1291145, 4389893, 21949465]

約数ペア:

[(1, 21949465), (5, 4389893), (17, 1291145), (19, 1155235), (85, 258229), (95, 231047), (323, 67955), (1615, 13591)]