21796743

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8893}}^1$

素因数の和:8958

約数の個数: 16

約数和(自身を含む): 31306880

約数和(自身を除く): 9510137

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8893, 26679, 168967, 382399, 506901, 1147197, 7265581, 21796743]

約数ペア:

[(1, 21796743), (3, 7265581), (19, 1147197), (43, 506901), (57, 382399), (129, 168967), (817, 26679), (2451, 8893)]