21692944

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 52996608

約数和(自身を除く): 31303664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 47, 52, 56, 91, 94, 104, 112, 182, 188, 208, 317, 329, 364, 376, 611, 634, 658, 728, 752, 1222, 1268, 1316, 1456, 2219, 2444, 2536, 2632, 4121, 4277, 4438, 4888, 5072, 5264, 8242, 8554, 8876, 9776, 14899, 16484, 17108, 17752, 28847, 29798, 32968, 34216, 35504, 57694, 59596, 65936, 68432, 104293, 115388, 119192, 193687, 208586, 230776, 238384, 387374, 417172, 461552, 774748, 834344, 1355809, 1549496, 1668688, 2711618, 3098992, 5423236, 10846472, 21692944]

約数ペア:

[(1, 21692944), (2, 10846472), (4, 5423236), (7, 3098992), (8, 2711618), (13, 1668688), (14, 1549496), (16, 1355809), (26, 834344), (28, 774748), (47, 461552), (52, 417172), (56, 387374), (91, 238384), (94, 230776), (104, 208586), (112, 193687), (182, 119192), (188, 115388), (208, 104293), (317, 68432), (329, 65936), (364, 59596), (376, 57694), (611, 35504), (634, 34216), (658, 32968), (728, 29798), (752, 28847), (1222, 17752), (1268, 17108), (1316, 16484), (1456, 14899), (2219, 9776), (2444, 8876), (2536, 8554), (2632, 8242), (4121, 5264), (4277, 5072), (4438, 4888)]