21167216

素因数分解:

$2^4\times 7^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 100

約数和(自身を含む): 52098600

約数和(自身を除く): 30931384

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 38, 49, 56, 58, 76, 98, 112, 116, 133, 152, 196, 203, 232, 266, 304, 343, 392, 406, 464, 532, 551, 686, 784, 812, 931, 1064, 1102, 1372, 1421, 1624, 1862, 2128, 2204, 2401, 2744, 2842, 3248, 3724, 3857, 4408, 4802, 5488, 5684, 6517, 7448, 7714, 8816, 9604, 9947, 11368, 13034, 14896, 15428, 19208, 19894, 22736, 26068, 26999, 30856, 38416, 39788, 45619, 52136, 53998, 61712, 69629, 79576, 91238, 104272, 107996, 139258, 159152, 182476, 188993, 215992, 278516, 364952, 377986, 431984, 557032, 729904, 755972, 1114064, 1322951, 1511944, 2645902, 3023888, 5291804, 10583608, 21167216]

約数ペア:

[(1, 21167216), (2, 10583608), (4, 5291804), (7, 3023888), (8, 2645902), (14, 1511944), (16, 1322951), (19, 1114064), (28, 755972), (29, 729904), (38, 557032), (49, 431984), (56, 377986), (58, 364952), (76, 278516), (98, 215992), (112, 188993), (116, 182476), (133, 159152), (152, 139258), (196, 107996), (203, 104272), (232, 91238), (266, 79576), (304, 69629), (343, 61712), (392, 53998), (406, 52136), (464, 45619), (532, 39788), (551, 38416), (686, 30856), (784, 26999), (812, 26068), (931, 22736), (1064, 19894), (1102, 19208), (1372, 15428), (1421, 14896), (1624, 13034), (1862, 11368), (2128, 9947), (2204, 9604), (2401, 8816), (2744, 7714), (2842, 7448), (3248, 6517), (3724, 5684), (3857, 5488), (4408, 4802)]