214980521

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{42013}}^1$

素因数の和:42080

約数の個数: 16

約数和(自身を含む): 266200704

約数和(自身を除く): 51220183

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 42013, 294091, 714221, 1806559, 4999547, 12645913, 30711503, 214980521]

約数ペア:

[(1, 214980521), (7, 30711503), (17, 12645913), (43, 4999547), (119, 1806559), (301, 714221), (731, 294091), (5117, 42013)]