21284883

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41491}}^1$

素因数の和:41519

約数の個数: 16

約数和(自身を含む): 33193600

約数和(自身を除く): 11908717

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41491, 124473, 373419, 788329, 1120257, 2364987, 7094961, 21284883]

約数ペア:

[(1, 21284883), (3, 7094961), (9, 2364987), (19, 1120257), (27, 788329), (57, 373419), (171, 124473), (513, 41491)]