21943173

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 35223552

約数和(自身を除く): 13280379

約数列:

[1, 3, 7, 21, 23, 69, 161, 181, 251, 483, 543, 753, 1267, 1757, 3801, 4163, 5271, 5773, 12489, 17319, 29141, 40411, 45431, 87423, 121233, 136293, 318017, 954051, 1044913, 3134739, 7314391, 21943173]

約数ペア:

[(1, 21943173), (3, 7314391), (7, 3134739), (21, 1044913), (23, 954051), (69, 318017), (161, 136293), (181, 121233), (251, 87423), (483, 45431), (543, 40411), (753, 29141), (1267, 17319), (1757, 12489), (3801, 5773), (4163, 5271)]