21000655198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{4033933}}^1$

素因数の和:4034091

約数の個数: 16

約数和(自身を含む): 33400973520

約数和(自身を除く): 12400318322

約数列:

[1, 2, 19, 38, 137, 274, 2603, 5206, 4033933, 8067866, 76644727, 153289454, 552648821, 1105297642, 10500327599, 21000655198]

約数ペア:

[(1, 21000655198), (2, 10500327599), (19, 1105297642), (38, 552648821), (137, 153289454), (274, 76644727), (2603, 8067866), (5206, 4033933)]