21640066

素因数分解:

$2^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{503}}^1$

素因数の和:958

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 16280894

約数列:

[1, 2, 7, 14, 49, 98, 439, 503, 878, 1006, 3073, 3521, 6146, 7042, 21511, 24647, 43022, 49294, 220817, 441634, 1545719, 3091438, 10820033, 21640066]

約数ペア:

[(1, 21640066), (2, 10820033), (7, 3091438), (14, 1545719), (49, 441634), (98, 220817), (439, 49294), (503, 43022), (878, 24647), (1006, 21511), (3073, 7042), (3521, 6146)]