2121570885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{83}}^2\times {\mathrm{419}}^1$

素因数の和:607

約数の個数: 72

約数和(自身を含む): 4006406880

約数和(自身を除く): 1884835995

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 83, 105, 147, 245, 249, 415, 419, 581, 735, 1245, 1257, 1743, 2095, 2905, 2933, 4067, 6285, 6889, 8715, 8799, 12201, 14665, 20335, 20531, 20667, 34445, 34777, 43995, 48223, 61005, 61593, 102655, 103335, 104331, 144669, 173885, 241115, 243439, 307965, 337561, 521655, 723345, 730317, 1012683, 1217195, 1687805, 1704073, 2886491, 3651585, 5063415, 5112219, 8520365, 8659473, 14432455, 20205437, 25561095, 43297365, 60616311, 101027185, 141438059, 303081555, 424314177, 707190295, 2121570885]

約数ペア:

[(1, 2121570885), (3, 707190295), (5, 424314177), (7, 303081555), (15, 141438059), (21, 101027185), (35, 60616311), (49, 43297365), (83, 25561095), (105, 20205437), (147, 14432455), (245, 8659473), (249, 8520365), (415, 5112219), (419, 5063415), (581, 3651585), (735, 2886491), (1245, 1704073), (1257, 1687805), (1743, 1217195), (2095, 1012683), (2905, 730317), (2933, 723345), (4067, 521655), (6285, 337561), (6889, 307965), (8715, 243439), (8799, 241115), (12201, 173885), (14665, 144669), (20335, 104331), (20531, 103335), (20667, 102655), (34445, 61593), (34777, 61005), (43995, 48223)]