21770672

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 53996544

約数和(自身を除く): 32225872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 56, 77, 82, 88, 112, 154, 164, 176, 287, 308, 328, 431, 451, 574, 616, 656, 862, 902, 1148, 1232, 1724, 1804, 2296, 3017, 3157, 3448, 3608, 4592, 4741, 6034, 6314, 6896, 7216, 9482, 12068, 12628, 17671, 18964, 24136, 25256, 33187, 35342, 37928, 48272, 50512, 66374, 70684, 75856, 123697, 132748, 141368, 194381, 247394, 265496, 282736, 388762, 494788, 530992, 777524, 989576, 1360667, 1555048, 1979152, 2721334, 3110096, 5442668, 10885336, 21770672]

約数ペア:

[(1, 21770672), (2, 10885336), (4, 5442668), (7, 3110096), (8, 2721334), (11, 1979152), (14, 1555048), (16, 1360667), (22, 989576), (28, 777524), (41, 530992), (44, 494788), (56, 388762), (77, 282736), (82, 265496), (88, 247394), (112, 194381), (154, 141368), (164, 132748), (176, 123697), (287, 75856), (308, 70684), (328, 66374), (431, 50512), (451, 48272), (574, 37928), (616, 35342), (656, 33187), (862, 25256), (902, 24136), (1148, 18964), (1232, 17671), (1724, 12628), (1804, 12068), (2296, 9482), (3017, 7216), (3157, 6896), (3448, 6314), (3608, 6034), (4592, 4741)]