21654074

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{2141}}^1$

素因数の和:2545

約数の個数: 16

約数和(自身を含む): 35085960

約数和(自身を除く): 13431886

約数列:

[1, 2, 13, 26, 389, 778, 2141, 4282, 5057, 10114, 27833, 55666, 832849, 1665698, 10827037, 21654074]

約数ペア:

[(1, 21654074), (2, 10827037), (13, 1665698), (26, 832849), (389, 55666), (778, 27833), (2141, 10114), (4282, 5057)]