22012991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21991}}^1$

素因数の和:22022

約数の個数: 16

約数和(自身を含む): 29557248

約数和(自身を除く): 7544257

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 21991, 153937, 241901, 285883, 1693307, 2001181, 3144713, 22012991]

約数ペア:

[(1, 22012991), (7, 3144713), (11, 2001181), (13, 1693307), (77, 285883), (91, 241901), (143, 153937), (1001, 21991)]