21700294

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 21637946

約数列:

[1, 2, 7, 11, 14, 22, 29, 43, 58, 77, 86, 113, 154, 203, 226, 301, 319, 406, 473, 602, 638, 791, 946, 1243, 1247, 1582, 2233, 2486, 2494, 3277, 3311, 4466, 4859, 6554, 6622, 8701, 8729, 9718, 13717, 17402, 17458, 22939, 27434, 34013, 36047, 45878, 53449, 68026, 72094, 96019, 106898, 140911, 192038, 252329, 281822, 374143, 504658, 748286, 986377, 1550021, 1972754, 3100042, 10850147, 21700294]

約数ペア:

[(1, 21700294), (2, 10850147), (7, 3100042), (11, 1972754), (14, 1550021), (22, 986377), (29, 748286), (43, 504658), (58, 374143), (77, 281822), (86, 252329), (113, 192038), (154, 140911), (203, 106898), (226, 96019), (301, 72094), (319, 68026), (406, 53449), (473, 45878), (602, 36047), (638, 34013), (791, 27434), (946, 22939), (1243, 17458), (1247, 17402), (1582, 13717), (2233, 9718), (2486, 8729), (2494, 8701), (3277, 6622), (3311, 6554), (4466, 4859)]