21717304

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20411}}^1$

素因数の和:20443

約数の個数: 32

約数和(自身を含む): 48988800

約数和(自身を除く): 27271496

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20411, 40822, 81644, 142877, 163288, 285754, 387809, 571508, 775618, 1143016, 1551236, 2714663, 3102472, 5429326, 10858652, 21717304]

約数ペア:

[(1, 21717304), (2, 10858652), (4, 5429326), (7, 3102472), (8, 2714663), (14, 1551236), (19, 1143016), (28, 775618), (38, 571508), (56, 387809), (76, 285754), (133, 163288), (152, 142877), (266, 81644), (532, 40822), (1064, 20411)]