21461247

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{27409}}^1$

素因数の和:27447

約数の個数: 16

約数和(自身を含む): 32892000

約数和(自身を除く): 11430753

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 27409, 82227, 246681, 740043, 794861, 2384583, 7153749, 21461247]

約数ペア:

[(1, 21461247), (3, 7153749), (9, 2384583), (27, 794861), (29, 740043), (87, 246681), (261, 82227), (783, 27409)]