21454281

素因数分解:

$3^3\times {\mathrm{353}}^1\times {\mathrm{2251}}^1$

素因数の和:2613

約数の個数: 16

約数和(自身を含む): 31888320

約数和(自身を除く): 10434039

約数列:

[1, 3, 9, 27, 353, 1059, 2251, 3177, 6753, 9531, 20259, 60777, 794603, 2383809, 7151427, 21454281]

約数ペア:

[(1, 21454281), (3, 7151427), (9, 2383809), (27, 794603), (353, 60777), (1059, 20259), (2251, 9531), (3177, 6753)]