21973025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 28956480

約数和(自身を除く): 6983455

約数列:

[1, 5, 19, 25, 95, 167, 277, 475, 835, 1385, 3173, 4175, 5263, 6925, 15865, 26315, 46259, 79325, 131575, 231295, 878921, 1156475, 4394605, 21973025]

約数ペア:

[(1, 21973025), (5, 4394605), (19, 1156475), (25, 878921), (95, 231295), (167, 131575), (277, 79325), (475, 46259), (835, 26315), (1385, 15865), (3173, 6925), (4175, 5263)]