21827245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3853}}^1$

素因数の和:3972

約数の個数: 16

約数和(自身を含む): 28858752

約数和(自身を除く): 7031507

約数列:

[1, 5, 11, 55, 103, 515, 1133, 3853, 5665, 19265, 42383, 211915, 396859, 1984295, 4365449, 21827245]

約数ペア:

[(1, 21827245), (5, 4365449), (11, 1984295), (55, 396859), (103, 211915), (515, 42383), (1133, 19265), (3853, 5665)]