21191632

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 51996672

約数和(自身を除く): 30805040

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 103, 112, 154, 167, 176, 206, 308, 334, 412, 616, 668, 721, 824, 1133, 1169, 1232, 1336, 1442, 1648, 1837, 2266, 2338, 2672, 2884, 3674, 4532, 4676, 5768, 7348, 7931, 9064, 9352, 11536, 12859, 14696, 15862, 17201, 18128, 18704, 25718, 29392, 31724, 34402, 51436, 63448, 68804, 102872, 120407, 126896, 137608, 189211, 205744, 240814, 275216, 378422, 481628, 756844, 963256, 1324477, 1513688, 1926512, 2648954, 3027376, 5297908, 10595816, 21191632]

約数ペア:

[(1, 21191632), (2, 10595816), (4, 5297908), (7, 3027376), (8, 2648954), (11, 1926512), (14, 1513688), (16, 1324477), (22, 963256), (28, 756844), (44, 481628), (56, 378422), (77, 275216), (88, 240814), (103, 205744), (112, 189211), (154, 137608), (167, 126896), (176, 120407), (206, 102872), (308, 68804), (334, 63448), (412, 51436), (616, 34402), (668, 31724), (721, 29392), (824, 25718), (1133, 18704), (1169, 18128), (1232, 17201), (1336, 15862), (1442, 14696), (1648, 12859), (1837, 11536), (2266, 9352), (2338, 9064), (2672, 7931), (2884, 7348), (3674, 5768), (4532, 4676)]