21098702

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{8287}}^1$

素因数の和:8375

約数の個数: 16

約数和(自身を含む): 33815040

約数和(自身を除く): 12716338

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 8287, 16574, 157453, 314906, 555229, 1110458, 10549351, 21098702]

約数ペア:

[(1, 21098702), (2, 10549351), (19, 1110458), (38, 555229), (67, 314906), (134, 157453), (1273, 16574), (2546, 8287)]