21016770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{911}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 50561280

約数和(自身を除く): 29544510

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 769, 911, 1538, 1822, 2307, 2733, 3845, 4555, 4614, 5466, 7690, 9110, 11535, 13665, 23070, 27330, 700559, 1401118, 2101677, 3502795, 4203354, 7005590, 10508385, 21016770]

約数ペア:

[(1, 21016770), (2, 10508385), (3, 7005590), (5, 4203354), (6, 3502795), (10, 2101677), (15, 1401118), (30, 700559), (769, 27330), (911, 23070), (1538, 13665), (1822, 11535), (2307, 9110), (2733, 7690), (3845, 5466), (4555, 4614)]