21981828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{15139}}^1$

素因数の和:15168

約数の個数: 36

約数和(自身を含む): 56381360

約数和(自身を除く): 34399532

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 242, 363, 484, 726, 1452, 15139, 30278, 45417, 60556, 90834, 166529, 181668, 333058, 499587, 666116, 999174, 1831819, 1998348, 3663638, 5495457, 7327276, 10990914, 21981828]

約数ペア:

[(1, 21981828), (2, 10990914), (3, 7327276), (4, 5495457), (6, 3663638), (11, 1998348), (12, 1831819), (22, 999174), (33, 666116), (44, 499587), (66, 333058), (121, 181668), (132, 166529), (242, 90834), (363, 60556), (484, 45417), (726, 30278), (1452, 15139)]