21105694

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1237}}^1$

素因数の和:1707

約数の個数: 16

約数和(自身を含む): 33426000

約数和(自身を除く): 12320306

約数列:

[1, 2, 19, 38, 449, 898, 1237, 2474, 8531, 17062, 23503, 47006, 555413, 1110826, 10552847, 21105694]

約数ペア:

[(1, 21105694), (2, 10552847), (19, 1110826), (38, 555413), (449, 47006), (898, 23503), (1237, 17062), (2474, 8531)]