2021086925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{5003}}^1$

素因数の和:5150

約数の個数: 48

約数和(自身を含む): 2970934848

約数和(自身を除く): 949847923

約数列:

[1, 5, 11, 13, 25, 55, 65, 113, 143, 275, 325, 565, 715, 1243, 1469, 2825, 3575, 5003, 6215, 7345, 16159, 25015, 31075, 36725, 55033, 65039, 80795, 125075, 275165, 325195, 403975, 565339, 715429, 1375825, 1625975, 2826695, 3577145, 6218729, 7349407, 14133475, 17885725, 31093645, 36747035, 80843477, 155468225, 183735175, 404217385, 2021086925]

約数ペア:

[(1, 2021086925), (5, 404217385), (11, 183735175), (13, 155468225), (25, 80843477), (55, 36747035), (65, 31093645), (113, 17885725), (143, 14133475), (275, 7349407), (325, 6218729), (565, 3577145), (715, 2826695), (1243, 1625975), (1469, 1375825), (2825, 715429), (3575, 565339), (5003, 403975), (6215, 325195), (7345, 275165), (16159, 125075), (25015, 80795), (31075, 65039), (36725, 55033)]