21653640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60149}}^1$

素因数の和:60166

約数の個数: 48

約数和(自身を含む): 70375500

約数和(自身を除く): 48721860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60149, 120298, 180447, 240596, 300745, 360894, 481192, 541341, 601490, 721788, 902235, 1082682, 1202980, 1443576, 1804470, 2165364, 2405960, 2706705, 3608940, 4330728, 5413410, 7217880, 10826820, 21653640]

約数ペア:

[(1, 21653640), (2, 10826820), (3, 7217880), (4, 5413410), (5, 4330728), (6, 3608940), (8, 2706705), (9, 2405960), (10, 2165364), (12, 1804470), (15, 1443576), (18, 1202980), (20, 1082682), (24, 902235), (30, 721788), (36, 601490), (40, 541341), (45, 481192), (60, 360894), (72, 300745), (90, 240596), (120, 180447), (180, 120298), (360, 60149)]