21021036327

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13658893}}^1$

素因数の和:13658924

約数の個数: 20

約数和(自身を含む): 33054523480

約数和(自身を除く): 12033487153

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13658893, 40976679, 122930037, 259518967, 368790111, 778556901, 1106370333, 2335670703, 7007012109, 21021036327]

約数ペア:

[(1, 21021036327), (3, 7007012109), (9, 2335670703), (19, 1106370333), (27, 778556901), (57, 368790111), (81, 259518967), (171, 122930037), (513, 40976679), (1539, 13658893)]