21492801

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3559}}^1$

素因数の和:3637

約数の個数: 24

約数和(自身を含む): 34432320

約数和(自身を除く): 12939519

約数列:

[1, 3, 9, 11, 33, 61, 99, 183, 549, 671, 2013, 3559, 6039, 10677, 32031, 39149, 117447, 217099, 352341, 651297, 1953891, 2388089, 7164267, 21492801]

約数ペア:

[(1, 21492801), (3, 7164267), (9, 2388089), (11, 1953891), (33, 651297), (61, 352341), (99, 217099), (183, 117447), (549, 39149), (671, 32031), (2013, 10677), (3559, 6039)]