21433099525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^3\times {\mathrm{263}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 27979459200

約数和(自身を除く): 6546359675

約数列:

[1, 5, 25, 41, 43, 205, 215, 263, 1025, 1075, 1315, 1763, 1849, 6575, 8815, 9245, 10783, 11309, 44075, 46225, 53915, 56545, 75809, 79507, 269575, 282725, 379045, 397535, 463669, 486287, 1895225, 1987675, 2318345, 2431435, 3259787, 11591725, 12157175, 16298935, 19937767, 20910341, 81494675, 99688835, 104551705, 498444175, 522758525, 857323981, 4286619905, 21433099525]

約数ペア:

[(1, 21433099525), (5, 4286619905), (25, 857323981), (41, 522758525), (43, 498444175), (205, 104551705), (215, 99688835), (263, 81494675), (1025, 20910341), (1075, 19937767), (1315, 16298935), (1763, 12157175), (1849, 11591725), (6575, 3259787), (8815, 2431435), (9245, 2318345), (10783, 1987675), (11309, 1895225), (44075, 486287), (46225, 463669), (53915, 397535), (56545, 379045), (75809, 282725), (79507, 269575)]