21767211

素因数分解:

$3^7\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 33652800

約数和(自身を除く): 11885589

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 269, 333, 729, 807, 999, 2187, 2421, 2997, 7263, 8991, 9953, 21789, 26973, 29859, 65367, 80919, 89577, 196101, 268731, 588303, 806193, 2418579, 7255737, 21767211]

約数ペア:

[(1, 21767211), (3, 7255737), (9, 2418579), (27, 806193), (37, 588303), (81, 268731), (111, 196101), (243, 89577), (269, 80919), (333, 65367), (729, 29859), (807, 26973), (999, 21789), (2187, 9953), (2421, 8991), (2997, 7263)]