21717354565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{11779}}^1$

素因数の和:12109

約数の個数: 32

約数和(自身を含む): 27989280000

約数和(自身を除く): 6271925435

約数列:

[1, 5, 17, 85, 109, 199, 545, 995, 1853, 3383, 9265, 11779, 16915, 21691, 58895, 108455, 200243, 368747, 1001215, 1283911, 1843735, 2344021, 6419555, 11720105, 21826487, 39848357, 109132435, 199241785, 255498289, 1277491445, 4343470913, 21717354565]

約数ペア:

[(1, 21717354565), (5, 4343470913), (17, 1277491445), (85, 255498289), (109, 199241785), (199, 109132435), (545, 39848357), (995, 21826487), (1853, 11720105), (3383, 6419555), (9265, 2344021), (11779, 1843735), (16915, 1283911), (21691, 1001215), (58895, 368747), (108455, 200243)]