21598143

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 13653057

約数列:

[1, 3, 7, 17, 21, 51, 101, 119, 303, 357, 599, 707, 1717, 1797, 2121, 4193, 5151, 10183, 12019, 12579, 30549, 36057, 60499, 71281, 181497, 213843, 423493, 1028483, 1270479, 3085449, 7199381, 21598143]

約数ペア:

[(1, 21598143), (3, 7199381), (7, 3085449), (17, 1270479), (21, 1028483), (51, 423493), (101, 213843), (119, 181497), (303, 71281), (357, 60499), (599, 36057), (707, 30549), (1717, 12579), (1797, 12019), (2121, 10183), (4193, 5151)]