21716943

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2741}}^1$

素因数の和:2902

約数の個数: 16

約数和(自身を含む): 30710400

約数和(自身を除く): 8993457

約数列:

[1, 3, 19, 57, 139, 417, 2641, 2741, 7923, 8223, 52079, 156237, 380999, 1142997, 7238981, 21716943]

約数ペア:

[(1, 21716943), (3, 7238981), (19, 1142997), (57, 380999), (139, 156237), (417, 52079), (2641, 8223), (2741, 7923)]