2021463220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14439023}}^1$

素因数の和:14439039

約数の個数: 24

約数和(自身を含む): 4851512064

約数和(自身を除く): 2830048844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14439023, 28878046, 57756092, 72195115, 101073161, 144390230, 202146322, 288780460, 404292644, 505365805, 1010731610, 2021463220]

約数ペア:

[(1, 2021463220), (2, 1010731610), (4, 505365805), (5, 404292644), (7, 288780460), (10, 202146322), (14, 144390230), (20, 101073161), (28, 72195115), (35, 57756092), (70, 28878046), (140, 14439023)]