2021180330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1\times {\mathrm{557}}^1$

素因数の和:951

約数の個数: 64

約数和(自身を含む): 3977745408

約数和(自身を除く): 1956565078

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 271, 515, 542, 557, 1030, 1114, 1339, 1355, 2678, 2710, 2785, 3523, 5570, 6695, 7046, 7241, 13390, 14482, 17615, 27913, 35230, 36205, 55826, 57371, 72410, 114742, 139565, 150947, 279130, 286855, 301894, 362869, 573710, 725738, 745823, 754735, 1491646, 1509470, 1814345, 1962311, 3628690, 3729115, 3924622, 7458230, 9811555, 15547541, 19623110, 31095082, 77737705, 155475410, 202118033, 404236066, 1010590165, 2021180330]

約数ペア:

[(1, 2021180330), (2, 1010590165), (5, 404236066), (10, 202118033), (13, 155475410), (26, 77737705), (65, 31095082), (103, 19623110), (130, 15547541), (206, 9811555), (271, 7458230), (515, 3924622), (542, 3729115), (557, 3628690), (1030, 1962311), (1114, 1814345), (1339, 1509470), (1355, 1491646), (2678, 754735), (2710, 745823), (2785, 725738), (3523, 573710), (5570, 362869), (6695, 301894), (7046, 286855), (7241, 279130), (13390, 150947), (14482, 139565), (17615, 114742), (27913, 72410), (35230, 57371), (36205, 55826)]