21798441

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1933}}^1$

素因数の和:2125

約数の個数: 24

約数和(自身を含む): 36204480

約数和(自身を除く): 14406039

約数列:

[1, 3, 7, 9, 21, 63, 179, 537, 1253, 1611, 1933, 3759, 5799, 11277, 13531, 17397, 40593, 121779, 346007, 1038021, 2422049, 3114063, 7266147, 21798441]

約数ペア:

[(1, 21798441), (3, 7266147), (7, 3114063), (9, 2422049), (21, 1038021), (63, 346007), (179, 121779), (537, 40593), (1253, 17397), (1611, 13531), (1933, 11277), (3759, 5799)]