21186372

素因数分解:

$2^2\times 3^1\times {\mathrm{661}}^1\times {\mathrm{2671}}^1$

素因数の和:3339

約数の個数: 24

約数和(自身を含む): 49528192

約数和(自身を除く): 28341820

約数列:

[1, 2, 3, 4, 6, 12, 661, 1322, 1983, 2644, 2671, 3966, 5342, 7932, 8013, 10684, 16026, 32052, 1765531, 3531062, 5296593, 7062124, 10593186, 21186372]

約数ペア:

[(1, 21186372), (2, 10593186), (3, 7062124), (4, 5296593), (6, 3531062), (12, 1765531), (661, 32052), (1322, 16026), (1983, 10684), (2644, 8013), (2671, 7932), (3966, 5342)]