2021311747

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1306601}}^1$

素因数の和:1306638

約数の個数: 16

約数和(自身を含む): 2634109632

約数和(自身を除く): 612797885

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 1306601, 9146207, 16985813, 22212217, 118900691, 155485519, 288758821, 2021311747]

約数ペア:

[(1, 2021311747), (7, 288758821), (13, 155485519), (17, 118900691), (91, 22212217), (119, 16985813), (221, 9146207), (1547, 1306601)]