21448017

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41809}}^1$

素因数の和:41837

約数の個数: 16

約数和(自身を含む): 33448000

約数和(自身を除く): 11999983

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41809, 125427, 376281, 794371, 1128843, 2383113, 7149339, 21448017]

約数ペア:

[(1, 21448017), (3, 7149339), (9, 2383113), (19, 1128843), (27, 794371), (57, 376281), (171, 125427), (513, 41809)]