21962217

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4483}}^1$

素因数の和:4580

約数の個数: 16

約数和(自身を含む): 30993408

約数和(自身を除く): 9031191

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4483, 4899, 13449, 103109, 309327, 318293, 954879, 7320739, 21962217]

約数ペア:

[(1, 21962217), (3, 7320739), (23, 954879), (69, 318293), (71, 309327), (213, 103109), (1633, 13449), (4483, 4899)]