2021868945

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{13829}}^1$

素因数の和:13884

約数の個数: 60

約数和(自身を含む): 3825460980

約数和(自身を除く): 1803592035

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 361, 405, 513, 855, 1083, 1539, 1805, 2565, 3249, 5415, 7695, 9747, 13829, 16245, 29241, 41487, 48735, 69145, 124461, 146205, 207435, 262751, 373383, 622305, 788253, 1120149, 1313755, 1866915, 2364759, 3941265, 4992269, 5600745, 7094277, 11823795, 14976807, 21282831, 24961345, 35471385, 44930421, 74884035, 106414155, 134791263, 224652105, 404373789, 673956315, 2021868945]

約数ペア:

[(1, 2021868945), (3, 673956315), (5, 404373789), (9, 224652105), (15, 134791263), (19, 106414155), (27, 74884035), (45, 44930421), (57, 35471385), (81, 24961345), (95, 21282831), (135, 14976807), (171, 11823795), (285, 7094277), (361, 5600745), (405, 4992269), (513, 3941265), (855, 2364759), (1083, 1866915), (1539, 1313755), (1805, 1120149), (2565, 788253), (3249, 622305), (5415, 373383), (7695, 262751), (9747, 207435), (13829, 146205), (16245, 124461), (29241, 69145), (41487, 48735)]