21007029208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{743}}^1$

素因数の和:1073

約数の個数: 128

約数和(自身を含む): 45832780800

約数和(自身を除く): 24825751592

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 61, 88, 92, 122, 184, 229, 244, 253, 458, 488, 506, 671, 743, 916, 1012, 1342, 1403, 1486, 1832, 2024, 2519, 2684, 2806, 2972, 5038, 5267, 5368, 5612, 5944, 8173, 10076, 10534, 11224, 13969, 15433, 16346, 17089, 20152, 21068, 27938, 30866, 32692, 34178, 42136, 45323, 55876, 57937, 61732, 65384, 68356, 90646, 111752, 115874, 123464, 136712, 153659, 170147, 181292, 187979, 231748, 307318, 321287, 340294, 362584, 375958, 463496, 498553, 614636, 642574, 680588, 751916, 997106, 1042429, 1229272, 1285148, 1361176, 1503832, 1871617, 1994212, 2084858, 2570296, 3534157, 3743234, 3913381, 3988424, 4169716, 7068314, 7486468, 7826762, 8339432, 10378967, 11466719, 14136628, 14972936, 15653524, 20757934, 22933438, 28273256, 31307048, 41515868, 43047191, 45866876, 83031736, 86094382, 91733752, 114168637, 172188764, 228337274, 238716241, 344377528, 456674548, 477432482, 913349096, 954864964, 1909729928, 2625878651, 5251757302, 10503514604, 21007029208]

約数ペア:

[(1, 21007029208), (2, 10503514604), (4, 5251757302), (8, 2625878651), (11, 1909729928), (22, 954864964), (23, 913349096), (44, 477432482), (46, 456674548), (61, 344377528), (88, 238716241), (92, 228337274), (122, 172188764), (184, 114168637), (229, 91733752), (244, 86094382), (253, 83031736), (458, 45866876), (488, 43047191), (506, 41515868), (671, 31307048), (743, 28273256), (916, 22933438), (1012, 20757934), (1342, 15653524), (1403, 14972936), (1486, 14136628), (1832, 11466719), (2024, 10378967), (2519, 8339432), (2684, 7826762), (2806, 7486468), (2972, 7068314), (5038, 4169716), (5267, 3988424), (5368, 3913381), (5612, 3743234), (5944, 3534157), (8173, 2570296), (10076, 2084858), (10534, 1994212), (11224, 1871617), (13969, 1503832), (15433, 1361176), (16346, 1285148), (17089, 1229272), (20152, 1042429), (21068, 997106), (27938, 751916), (30866, 680588), (32692, 642574), (34178, 614636), (42136, 498553), (45323, 463496), (55876, 375958), (57937, 362584), (61732, 340294), (65384, 321287), (68356, 307318), (90646, 231748), (111752, 187979), (115874, 181292), (123464, 170147), (136712, 153659)]