21689982

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{63421}}^1$

素因数の和:63448

約数の個数: 24

約数和(自身を含む): 49469160

約数和(自身を除く): 27779178

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 63421, 126842, 190263, 380526, 570789, 1141578, 1204999, 2409998, 3614997, 7229994, 10844991, 21689982]

約数ペア:

[(1, 21689982), (2, 10844991), (3, 7229994), (6, 3614997), (9, 2409998), (18, 1204999), (19, 1141578), (38, 570789), (57, 380526), (114, 190263), (171, 126842), (342, 63421)]