21000492015

素因数分解:

$3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2587861}}^1$

素因数の和:2588410

約数の個数: 16

約数和(自身を含む): 33662908896

約数和(自身を除く): 12662416881

約数列:

[1, 3, 5, 15, 541, 1623, 2705, 8115, 2587861, 7763583, 12939305, 38817915, 1400032801, 4200098403, 7000164005, 21000492015]

約数ペア:

[(1, 21000492015), (3, 7000164005), (5, 4200098403), (15, 1400032801), (541, 38817915), (1623, 12939305), (2705, 7763583), (8115, 2587861)]