21279210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709307}}^1$

素因数の和:709317

約数の個数: 16

約数和(自身を含む): 51070176

約数和(自身を除く): 29790966

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709307, 1418614, 2127921, 3546535, 4255842, 7093070, 10639605, 21279210]

約数ペア:

[(1, 21279210), (2, 10639605), (3, 7093070), (5, 4255842), (6, 3546535), (10, 2127921), (15, 1418614), (30, 709307)]