21669516

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{54721}}^1$

素因数の和:54742

約数の個数: 36

約数和(自身を含む): 59756424

約数和(自身を除く): 38086908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 54721, 109442, 164163, 218884, 328326, 492489, 601931, 656652, 984978, 1203862, 1805793, 1969956, 2407724, 3611586, 5417379, 7223172, 10834758, 21669516]

約数ペア:

[(1, 21669516), (2, 10834758), (3, 7223172), (4, 5417379), (6, 3611586), (9, 2407724), (11, 1969956), (12, 1805793), (18, 1203862), (22, 984978), (33, 656652), (36, 601931), (44, 492489), (66, 328326), (99, 218884), (132, 164163), (198, 109442), (396, 54721)]