22012221

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13613}}^1$

素因数の和:13641

約数の個数: 24

約数和(自身を含む): 37247904

約数和(自身を除く): 15235683

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 13613, 40839, 95291, 149743, 285873, 449229, 667037, 1048201, 2001111, 3144603, 7337407, 22012221]

約数ペア:

[(1, 22012221), (3, 7337407), (7, 3144603), (11, 2001111), (21, 1048201), (33, 667037), (49, 449229), (77, 285873), (147, 149743), (231, 95291), (539, 40839), (1617, 13613)]