21884642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{1289}}^1$

素因数の和:1957

約数の個数: 16

約数和(自身を含む): 35433720

約数和(自身を除く): 13549078

約数列:

[1, 2, 13, 26, 653, 1289, 1306, 2578, 8489, 16757, 16978, 33514, 841717, 1683434, 10942321, 21884642]

約数ペア:

[(1, 21884642), (2, 10942321), (13, 1683434), (26, 841717), (653, 33514), (1289, 16978), (1306, 16757), (2578, 8489)]