21622293

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 39940992

約数和(自身を除く): 18318699

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 99, 123, 231, 287, 369, 451, 693, 761, 861, 1353, 2283, 2583, 3157, 4059, 5327, 6849, 8371, 9471, 15981, 25113, 28413, 31201, 47943, 58597, 75339, 93603, 175791, 218407, 280809, 343211, 527373, 655221, 1029633, 1965663, 2402477, 3088899, 7207431, 21622293]

約数ペア:

[(1, 21622293), (3, 7207431), (7, 3088899), (9, 2402477), (11, 1965663), (21, 1029633), (33, 655221), (41, 527373), (63, 343211), (77, 280809), (99, 218407), (123, 175791), (231, 93603), (287, 75339), (369, 58597), (451, 47943), (693, 31201), (761, 28413), (861, 25113), (1353, 15981), (2283, 9471), (2583, 8371), (3157, 6849), (4059, 5327)]