21601770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{720059}}^1$

素因数の和:720069

約数の個数: 16

約数和(自身を含む): 51844320

約数和(自身を除く): 30242550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 720059, 1440118, 2160177, 3600295, 4320354, 7200590, 10800885, 21601770]

約数ペア:

[(1, 21601770), (2, 10800885), (3, 7200590), (5, 4320354), (6, 3600295), (10, 2160177), (15, 1440118), (30, 720059)]