21673534175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{57107}}^1$

素因数の和:57200

約数の個数: 48

約数和(自身を含む): 30591613440

約数和(自身を除く): 8918079265

約数列:

[1, 5, 17, 19, 25, 47, 85, 95, 235, 323, 425, 475, 799, 893, 1175, 1615, 3995, 4465, 8075, 15181, 19975, 22325, 57107, 75905, 285535, 379525, 970819, 1085033, 1427675, 2684029, 4854095, 5425165, 13420145, 18445561, 24270475, 27125825, 45628493, 50996551, 67100725, 92227805, 228142465, 254982755, 461139025, 866941367, 1140712325, 1274913775, 4334706835, 21673534175]

約数ペア:

[(1, 21673534175), (5, 4334706835), (17, 1274913775), (19, 1140712325), (25, 866941367), (47, 461139025), (85, 254982755), (95, 228142465), (235, 92227805), (323, 67100725), (425, 50996551), (475, 45628493), (799, 27125825), (893, 24270475), (1175, 18445561), (1615, 13420145), (3995, 5425165), (4465, 4854095), (8075, 2684029), (15181, 1427675), (19975, 1085033), (22325, 970819), (57107, 379525), (75905, 285535)]