21214473

素因数分解:

$3^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1367}}^1$

素因数の和:2116

約数の個数: 16

約数和(自身を含む): 32394240

約数和(自身を除く): 11179767

約数列:

[1, 3, 7, 21, 739, 1367, 2217, 4101, 5173, 9569, 15519, 28707, 1010213, 3030639, 7071491, 21214473]

約数ペア:

[(1, 21214473), (3, 7071491), (7, 3030639), (21, 1010213), (739, 28707), (1367, 15519), (2217, 9569), (4101, 5173)]