22178457

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1787}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 36818496

約数和(自身を除く): 14640039

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 1787, 4137, 5361, 12411, 12509, 16083, 37527, 112581, 352039, 1056117, 2464273, 3168351, 7392819, 22178457]

約数ペア:

[(1, 22178457), (3, 7392819), (7, 3168351), (9, 2464273), (21, 1056117), (63, 352039), (197, 112581), (591, 37527), (1379, 16083), (1773, 12509), (1787, 12411), (4137, 5361)]