21718233

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 34433280

約数和(自身を除く): 12715047

約数列:

[1, 3, 9, 23, 27, 41, 69, 123, 207, 369, 621, 853, 943, 1107, 2559, 2829, 7677, 8487, 19619, 23031, 25461, 34973, 58857, 104919, 176571, 314757, 529713, 804379, 944271, 2413137, 7239411, 21718233]

約数ペア:

[(1, 21718233), (3, 7239411), (9, 2413137), (23, 944271), (27, 804379), (41, 529713), (69, 314757), (123, 176571), (207, 104919), (369, 58857), (621, 34973), (853, 25461), (943, 23031), (1107, 19619), (2559, 8487), (2829, 7677)]