21507942

素因数分解:

$2^1\times 3^1\times {\mathrm{277}}^1\times {\mathrm{12941}}^1$

素因数の和:13223

約数の個数: 16

約数和(自身を含む): 43174512

約数和(自身を除く): 21666570

約数列:

[1, 2, 3, 6, 277, 554, 831, 1662, 12941, 25882, 38823, 77646, 3584657, 7169314, 10753971, 21507942]

約数ペア:

[(1, 21507942), (2, 10753971), (3, 7169314), (6, 3584657), (277, 77646), (554, 38823), (831, 25882), (1662, 12941)]