21981566146

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4554821}}^1$

素因数の和:4554969

約数の個数: 16

約数和(自身を含む): 34981032960

約数和(自身を除く): 12999466814

約数列:

[1, 2, 19, 38, 127, 254, 2413, 4826, 4554821, 9109642, 86541599, 173083198, 578462267, 1156924534, 10990783073, 21981566146]

約数ペア:

[(1, 21981566146), (2, 10990783073), (19, 1156924534), (38, 578462267), (127, 173083198), (254, 86541599), (2413, 9109642), (4826, 4554821)]