21689613

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{2213}}^1$

素因数の和:2247

約数の個数: 30

約数和(自身を含む): 35629902

約数和(自身を除く): 13940289

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 2213, 3267, 6639, 9801, 19917, 24343, 59751, 73029, 179253, 219087, 267773, 657261, 803319, 1971783, 2409957, 7229871, 21689613]

約数ペア:

[(1, 21689613), (3, 7229871), (9, 2409957), (11, 1971783), (27, 803319), (33, 657261), (81, 267773), (99, 219087), (121, 179253), (297, 73029), (363, 59751), (891, 24343), (1089, 19917), (2213, 9801), (3267, 6639)]