21841278

素因数分解:

$2^1\times 3^1\times {\mathrm{1213}}^1\times {\mathrm{3001}}^1$

素因数の和:4219

約数の個数: 16

約数和(自身を含む): 43733136

約数和(自身を除く): 21891858

約数列:

[1, 2, 3, 6, 1213, 2426, 3001, 3639, 6002, 7278, 9003, 18006, 3640213, 7280426, 10920639, 21841278]

約数ペア:

[(1, 21841278), (2, 10920639), (3, 7280426), (6, 3640213), (1213, 18006), (2426, 9003), (3001, 7278), (3639, 6002)]