21000984033

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1\times {\mathrm{70039}}^1$

素因数の和:70956

約数の個数: 16

約数和(自身を含む): 28258058240

約数和(自身を除く): 7257074207

約数列:

[1, 3, 127, 381, 787, 2361, 70039, 99949, 210117, 299847, 8894953, 26684859, 55120693, 165362079, 7000328011, 21000984033]

約数ペア:

[(1, 21000984033), (3, 7000328011), (127, 165362079), (381, 55120693), (787, 26684859), (2361, 8894953), (70039, 299847), (99949, 210117)]