21147312

素因数分解:

$2^4\times 3^1\times {\mathrm{440569}}^1$

素因数の和:440580

約数の個数: 20

約数和(自身を含む): 54630680

約数和(自身を除く): 33483368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440569, 881138, 1321707, 1762276, 2643414, 3524552, 5286828, 7049104, 10573656, 21147312]

約数ペア:

[(1, 21147312), (2, 10573656), (3, 7049104), (4, 5286828), (6, 3524552), (8, 2643414), (12, 1762276), (16, 1321707), (24, 881138), (48, 440569)]