21675165

素因数分解:

$3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2671}}^1$

素因数の和:3220

約数の個数: 16

約数和(自身を含む): 34757376

約数和(自身を除く): 13082211

約数列:

[1, 3, 5, 15, 541, 1623, 2671, 2705, 8013, 8115, 13355, 40065, 1445011, 4335033, 7225055, 21675165]

約数ペア:

[(1, 21675165), (3, 7225055), (5, 4335033), (15, 1445011), (541, 40065), (1623, 13355), (2671, 8115), (2705, 8013)]