21513201

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2111}}^1$

素因数の和:2236

約数の個数: 16

約数和(自身を含む): 29736960

約数和(自身を除く): 8223759

約数列:

[1, 3, 43, 79, 129, 237, 2111, 3397, 6333, 10191, 90773, 166769, 272319, 500307, 7171067, 21513201]

約数ペア:

[(1, 21513201), (3, 7171067), (43, 500307), (79, 272319), (129, 166769), (237, 90773), (2111, 10191), (3397, 6333)]