21192093

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13933}}^1$

素因数の和:13965

約数の個数: 18

約数和(自身を含む): 33148986

約数和(自身を除く): 11956893

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13933, 41799, 125397, 181129, 543387, 1630161, 2354677, 7064031, 21192093]

約数ペア:

[(1, 21192093), (3, 7064031), (9, 2354677), (13, 1630161), (39, 543387), (117, 181129), (169, 125397), (507, 41799), (1521, 13933)]