21000832006

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^2\times {\mathrm{277}}^1$

素因数の和:554

約数の個数: 96

約数和(自身を含む): 40713184512

約数和(自身を除く): 19712352506

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 107, 154, 214, 277, 301, 473, 554, 602, 749, 946, 1177, 1498, 1939, 2354, 3047, 3311, 3878, 4601, 6094, 6622, 8239, 9202, 11449, 11911, 16478, 21329, 22898, 23822, 29639, 32207, 42658, 50611, 59278, 64414, 80143, 83377, 101222, 125939, 131021, 160286, 166754, 207473, 251878, 262042, 326029, 354277, 414946, 492307, 652058, 708554, 881573, 917147, 984614, 1274477, 1763146, 1834294, 2282203, 2548954, 3171373, 3446149, 4564406, 5415377, 6342746, 6892298, 8921339, 10830754, 14019247, 17842678, 22199611, 28038494, 34885103, 37907639, 44399222, 69770206, 75815278, 98134729, 136369039, 196269458, 244195721, 272738078, 488391442, 954583273, 1500059429, 1909166546, 3000118858, 10500416003, 21000832006]

約数ペア:

[(1, 21000832006), (2, 10500416003), (7, 3000118858), (11, 1909166546), (14, 1500059429), (22, 954583273), (43, 488391442), (77, 272738078), (86, 244195721), (107, 196269458), (154, 136369039), (214, 98134729), (277, 75815278), (301, 69770206), (473, 44399222), (554, 37907639), (602, 34885103), (749, 28038494), (946, 22199611), (1177, 17842678), (1498, 14019247), (1939, 10830754), (2354, 8921339), (3047, 6892298), (3311, 6342746), (3878, 5415377), (4601, 4564406), (6094, 3446149), (6622, 3171373), (8239, 2548954), (9202, 2282203), (11449, 1834294), (11911, 1763146), (16478, 1274477), (21329, 984614), (22898, 917147), (23822, 881573), (29639, 708554), (32207, 652058), (42658, 492307), (50611, 414946), (59278, 354277), (64414, 326029), (80143, 262042), (83377, 251878), (101222, 207473), (125939, 166754), (131021, 160286)]