21299553

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3527}}^1$

素因数の和:3605

約数の個数: 24

約数和(自身を含む): 34122816

約数和(自身を除く): 12823263

約数列:

[1, 3, 9, 11, 33, 61, 99, 183, 549, 671, 2013, 3527, 6039, 10581, 31743, 38797, 116391, 215147, 349173, 645441, 1936323, 2366617, 7099851, 21299553]

約数ペア:

[(1, 21299553), (3, 7099851), (9, 2366617), (11, 1936323), (33, 645441), (61, 349173), (99, 215147), (183, 116391), (549, 38797), (671, 31743), (2013, 10581), (3527, 6039)]