21195496

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8053}}^1$

素因数の和:8113

約数の個数: 32

約数和(自身を含む): 46391040

約数和(自身を除く): 25195544

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 8053, 16106, 32212, 56371, 64424, 112742, 225484, 378491, 450968, 756982, 1513964, 2649437, 3027928, 5298874, 10597748, 21195496]

約数ペア:

[(1, 21195496), (2, 10597748), (4, 5298874), (7, 3027928), (8, 2649437), (14, 1513964), (28, 756982), (47, 450968), (56, 378491), (94, 225484), (188, 112742), (329, 64424), (376, 56371), (658, 32212), (1316, 16106), (2632, 8053)]