21655326

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2467}}^1$

素因数の和:2509

約数の個数: 64

約数和(自身を含む): 56862720

約数和(自身を除く): 35207394

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, 2467, 2926, 4389, 4934, 7401, 8778, 14802, 17269, 27137, 34538, 46873, 51807, 54274, 81411, 93746, 103614, 140619, 162822, 189959, 281238, 328111, 379918, 515603, 569877, 656222, 984333, 1031206, 1139754, 1546809, 1968666, 3093618, 3609221, 7218442, 10827663, 21655326]

約数ペア:

[(1, 21655326), (2, 10827663), (3, 7218442), (6, 3609221), (7, 3093618), (11, 1968666), (14, 1546809), (19, 1139754), (21, 1031206), (22, 984333), (33, 656222), (38, 569877), (42, 515603), (57, 379918), (66, 328111), (77, 281238), (114, 189959), (133, 162822), (154, 140619), (209, 103614), (231, 93746), (266, 81411), (399, 54274), (418, 51807), (462, 46873), (627, 34538), (798, 27137), (1254, 17269), (1463, 14802), (2467, 8778), (2926, 7401), (4389, 4934)]