21479766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2447}}^1$

素因数の和:2489

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 34922154

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 77, 114, 133, 154, 209, 231, 266, 399, 418, 462, 627, 798, 1254, 1463, 2447, 2926, 4389, 4894, 7341, 8778, 14682, 17129, 26917, 34258, 46493, 51387, 53834, 80751, 92986, 102774, 139479, 161502, 188419, 278958, 325451, 376838, 511423, 565257, 650902, 976353, 1022846, 1130514, 1534269, 1952706, 3068538, 3579961, 7159922, 10739883, 21479766]

約数ペア:

[(1, 21479766), (2, 10739883), (3, 7159922), (6, 3579961), (7, 3068538), (11, 1952706), (14, 1534269), (19, 1130514), (21, 1022846), (22, 976353), (33, 650902), (38, 565257), (42, 511423), (57, 376838), (66, 325451), (77, 278958), (114, 188419), (133, 161502), (154, 139479), (209, 102774), (231, 92986), (266, 80751), (399, 53834), (418, 51387), (462, 46493), (627, 34258), (798, 26917), (1254, 17129), (1463, 14682), (2447, 8778), (2926, 7341), (4389, 4894)]