21898362

素因数分解:

$2^1\times 3^1\times {\mathrm{647}}^1\times {\mathrm{5641}}^1$

素因数の和:6293

約数の個数: 16

約数和(自身を含む): 43872192

約数和(自身を除く): 21973830

約数列:

[1, 2, 3, 6, 647, 1294, 1941, 3882, 5641, 11282, 16923, 33846, 3649727, 7299454, 10949181, 21898362]

約数ペア:

[(1, 21898362), (2, 10949181), (3, 7299454), (6, 3649727), (647, 33846), (1294, 16923), (1941, 11282), (3882, 5641)]