21081500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{3833}}^1$

素因数の和:3863

約数の個数: 48

約数和(自身を含む): 50240736

約数和(自身を除く): 29159236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 3833, 5500, 7666, 15332, 19165, 38330, 42163, 76660, 84326, 95825, 168652, 191650, 210815, 383300, 421630, 479125, 843260, 958250, 1054075, 1916500, 2108150, 4216300, 5270375, 10540750, 21081500]

約数ペア:

[(1, 21081500), (2, 10540750), (4, 5270375), (5, 4216300), (10, 2108150), (11, 1916500), (20, 1054075), (22, 958250), (25, 843260), (44, 479125), (50, 421630), (55, 383300), (100, 210815), (110, 191650), (125, 168652), (220, 95825), (250, 84326), (275, 76660), (500, 42163), (550, 38330), (1100, 19165), (1375, 15332), (2750, 7666), (3833, 5500)]