21333065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6983}}^1$

素因数の和:7048

約数の個数: 16

約数和(自身を含む): 28159488

約数和(自身を除く): 6826423

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 6983, 34915, 90779, 328201, 453895, 1641005, 4266613, 21333065]

約数ペア:

[(1, 21333065), (5, 4266613), (13, 1641005), (47, 453895), (65, 328201), (235, 90779), (611, 34915), (3055, 6983)]