21221433

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3797}}^1$

素因数の和:3835

約数の個数: 24

約数和(自身を含む): 33179328

約数和(自身を除く): 11957895

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3797, 5589, 11391, 34173, 87331, 102519, 261993, 307557, 785979, 922671, 2357937, 7073811, 21221433]

約数ペア:

[(1, 21221433), (3, 7073811), (9, 2357937), (23, 922671), (27, 785979), (69, 307557), (81, 261993), (207, 102519), (243, 87331), (621, 34173), (1863, 11391), (3797, 5589)]