21917913

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{6053}}^1$

素因数の和:6144

約数の個数: 16

約数和(自身を含む): 31383936

約数和(自身を除く): 9466023

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 6053, 18159, 102901, 308703, 429763, 1289289, 7305971, 21917913]

約数ペア:

[(1, 21917913), (3, 7305971), (17, 1289289), (51, 429763), (71, 308703), (213, 102901), (1207, 18159), (3621, 6053)]