21792021

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{541}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 30178560

約数和(自身を除く): 8386539

約数列:

[1, 3, 29, 87, 463, 541, 1389, 1623, 13427, 15689, 40281, 47067, 250483, 751449, 7264007, 21792021]

約数ペア:

[(1, 21792021), (3, 7264007), (29, 751449), (87, 250483), (463, 47067), (541, 40281), (1389, 15689), (1623, 13427)]