21504886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26681}}^1$

素因数の和:26727

約数の個数: 16

約数和(自身を含む): 35860608

約数和(自身を除く): 14355722

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26681, 53362, 346853, 693706, 827111, 1654222, 10752443, 21504886]

約数ペア:

[(1, 21504886), (2, 10752443), (13, 1654222), (26, 827111), (31, 693706), (62, 346853), (403, 53362), (806, 26681)]