21722902

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{6469}}^1$

素因数の和:6567

約数の個数: 16

約数和(自身を含む): 34472160

約数和(自身を除く): 12749258

約数列:

[1, 2, 23, 46, 73, 146, 1679, 3358, 6469, 12938, 148787, 297574, 472237, 944474, 10861451, 21722902]

約数ペア:

[(1, 21722902), (2, 10861451), (23, 944474), (46, 472237), (73, 297574), (146, 148787), (1679, 12938), (3358, 6469)]