21361917

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{4241}}^1$

素因数の和:4340

約数の個数: 16

約数和(自身を含む): 30135168

約数和(自身を除く): 8773251

約数列:

[1, 3, 23, 69, 73, 219, 1679, 4241, 5037, 12723, 97543, 292629, 309593, 928779, 7120639, 21361917]

約数ペア:

[(1, 21361917), (3, 7120639), (23, 928779), (69, 309593), (73, 292629), (219, 97543), (1679, 12723), (4241, 5037)]