21741260

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 47295360

約数和(自身を除く): 25554100

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 188, 202, 229, 235, 404, 458, 470, 505, 916, 940, 1010, 1145, 2020, 2290, 4580, 4747, 9494, 10763, 18988, 21526, 23129, 23735, 43052, 46258, 47470, 53815, 92516, 94940, 107630, 115645, 215260, 231290, 462580, 1087063, 2174126, 4348252, 5435315, 10870630, 21741260]

約数ペア:

[(1, 21741260), (2, 10870630), (4, 5435315), (5, 4348252), (10, 2174126), (20, 1087063), (47, 462580), (94, 231290), (101, 215260), (188, 115645), (202, 107630), (229, 94940), (235, 92516), (404, 53815), (458, 47470), (470, 46258), (505, 43052), (916, 23735), (940, 23129), (1010, 21526), (1145, 18988), (2020, 10763), (2290, 9494), (4580, 4747)]