21230742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{272189}}^1$

素因数の和:272207

約数の個数: 16

約数和(自身を含む): 45727920

約数和(自身を除く): 24497178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 272189, 544378, 816567, 1633134, 3538457, 7076914, 10615371, 21230742]

約数ペア:

[(1, 21230742), (2, 10615371), (3, 7076914), (6, 3538457), (13, 1633134), (26, 816567), (39, 544378), (78, 272189)]