21377090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16073}}^1$

素因数の和:16106

約数の個数: 32

約数和(自身を含む): 46293120

約数和(自身を除く): 24916030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16073, 32146, 80365, 112511, 160730, 225022, 305387, 562555, 610774, 1125110, 1526935, 2137709, 3053870, 4275418, 10688545, 21377090]

約数ペア:

[(1, 21377090), (2, 10688545), (5, 4275418), (7, 3053870), (10, 2137709), (14, 1526935), (19, 1125110), (35, 610774), (38, 562555), (70, 305387), (95, 225022), (133, 160730), (190, 112511), (266, 80365), (665, 32146), (1330, 16073)]