21103633525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{21269}}^1$

素因数の和:21406

約数の個数: 48

約数和(自身を含む): 29244378240

約数和(自身を除く): 8140744715

約数列:

[1, 5, 13, 25, 43, 65, 71, 215, 325, 355, 559, 923, 1075, 1775, 2795, 3053, 4615, 13975, 15265, 21269, 23075, 39689, 76325, 106345, 198445, 276497, 531725, 914567, 992225, 1382485, 1510099, 4572835, 6912425, 7550495, 11889371, 19631287, 22864175, 37752475, 59446855, 64934257, 98156435, 297234275, 324671285, 490782175, 844145341, 1623356425, 4220726705, 21103633525]

約数ペア:

[(1, 21103633525), (5, 4220726705), (13, 1623356425), (25, 844145341), (43, 490782175), (65, 324671285), (71, 297234275), (215, 98156435), (325, 64934257), (355, 59446855), (559, 37752475), (923, 22864175), (1075, 19631287), (1775, 11889371), (2795, 7550495), (3053, 6912425), (4615, 4572835), (13975, 1510099), (15265, 1382485), (21269, 992225), (23075, 914567), (39689, 531725), (76325, 276497), (106345, 198445)]