21124827

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41179}}^1$

素因数の和:41207

約数の個数: 16

約数和(自身を含む): 32944000

約数和(自身を除く): 11819173

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41179, 123537, 370611, 782401, 1111833, 2347203, 7041609, 21124827]

約数ペア:

[(1, 21124827), (3, 7041609), (9, 2347203), (19, 1111833), (27, 782401), (57, 370611), (171, 123537), (513, 41179)]