21801135

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{35449}}^1$

素因数の和:35498

約数の個数: 16

約数和(自身を含む): 35733600

約数和(自身を除く): 13932465

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 35449, 106347, 177245, 531735, 1453409, 4360227, 7267045, 21801135]

約数ペア:

[(1, 21801135), (3, 7267045), (5, 4360227), (15, 1453409), (41, 531735), (123, 177245), (205, 106347), (615, 35449)]