2021668131

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3105481}}^1$

素因数の和:3105522

約数の個数: 16

約数和(自身を含む): 3180013568

約数和(自身を除く): 1158345437

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 3105481, 9316443, 21738367, 65215101, 96269911, 288809733, 673889377, 2021668131]

約数ペア:

[(1, 2021668131), (3, 673889377), (7, 288809733), (21, 96269911), (31, 65215101), (93, 21738367), (217, 9316443), (651, 3105481)]