21000901236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5814203}}^1$

素因数の和:5814260

約数の個数: 48

約数和(自身を含む): 57304794624

約数和(自身を除く): 36303893388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5814203, 11628406, 17442609, 23256812, 34885218, 40699421, 69770436, 81398842, 122098263, 162797684, 244196526, 250010729, 488393052, 500021458, 750032187, 1000042916, 1500064374, 1750075103, 3000128748, 3500150206, 5250225309, 7000300412, 10500450618, 21000901236]

約数ペア:

[(1, 21000901236), (2, 10500450618), (3, 7000300412), (4, 5250225309), (6, 3500150206), (7, 3000128748), (12, 1750075103), (14, 1500064374), (21, 1000042916), (28, 750032187), (42, 500021458), (43, 488393052), (84, 250010729), (86, 244196526), (129, 162797684), (172, 122098263), (258, 81398842), (301, 69770436), (516, 40699421), (602, 34885218), (903, 23256812), (1204, 17442609), (1806, 11628406), (3612, 5814203)]