21271161615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1489}}^1\times {\mathrm{86579}}^1$

素因数の和:88087

約数の個数: 32

約数和(自身を含む): 37153209600

約数和(自身を除く): 15882047985

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1489, 4467, 7445, 16379, 22335, 49137, 81895, 86579, 245685, 259737, 432895, 952369, 1298685, 2857107, 4761845, 14285535, 128916131, 386748393, 644580655, 1418077441, 1933741965, 4254232323, 7090387205, 21271161615]

約数ペア:

[(1, 21271161615), (3, 7090387205), (5, 4254232323), (11, 1933741965), (15, 1418077441), (33, 644580655), (55, 386748393), (165, 128916131), (1489, 14285535), (4467, 4761845), (7445, 2857107), (16379, 1298685), (22335, 952369), (49137, 432895), (81895, 259737), (86579, 245685)]