21665452140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1867}}^1\times {\mathrm{2803}}^1$

素因数の和:4708

約数の個数: 144

約数和(自身を含む): 68637074688

約数和(自身を除く): 46971622548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 1867, 2070, 2803, 3734, 4140, 5601, 5606, 7468, 8409, 9335, 11202, 11212, 14015, 16803, 16818, 18670, 22404, 25227, 28005, 28030, 33606, 33636, 37340, 42045, 42941, 50454, 56010, 56060, 64469, 67212, 84015, 84090, 85882, 100908, 112020, 126135, 128823, 128938, 168030, 168180, 171764, 193407, 214705, 252270, 257646, 257876, 322345, 336060, 386469, 386814, 429410, 504540, 515292, 580221, 644115, 644690, 772938, 773628, 858820, 967035, 1160442, 1288230, 1289380, 1545876, 1932345, 1934070, 2320884, 2576460, 2901105, 3864690, 3868140, 5233201, 5802210, 7729380, 10466402, 11604420, 15699603, 20932804, 26166005, 31399206, 47098809, 52332010, 62798412, 78498015, 94197618, 104664020, 120363623, 156996030, 188395236, 235494045, 240727246, 313992060, 361090869, 470988090, 481454492, 601818115, 722181738, 941976180, 1083272607, 1203636230, 1444363476, 1805454345, 2166545214, 2407272460, 3610908690, 4333090428, 5416363035, 7221817380, 10832726070, 21665452140]

約数ペア:

[(1, 21665452140), (2, 10832726070), (3, 7221817380), (4, 5416363035), (5, 4333090428), (6, 3610908690), (9, 2407272460), (10, 2166545214), (12, 1805454345), (15, 1444363476), (18, 1203636230), (20, 1083272607), (23, 941976180), (30, 722181738), (36, 601818115), (45, 481454492), (46, 470988090), (60, 361090869), (69, 313992060), (90, 240727246), (92, 235494045), (115, 188395236), (138, 156996030), (180, 120363623), (207, 104664020), (230, 94197618), (276, 78498015), (345, 62798412), (414, 52332010), (460, 47098809), (690, 31399206), (828, 26166005), (1035, 20932804), (1380, 15699603), (1867, 11604420), (2070, 10466402), (2803, 7729380), (3734, 5802210), (4140, 5233201), (5601, 3868140), (5606, 3864690), (7468, 2901105), (8409, 2576460), (9335, 2320884), (11202, 1934070), (11212, 1932345), (14015, 1545876), (16803, 1289380), (16818, 1288230), (18670, 1160442), (22404, 967035), (25227, 858820), (28005, 773628), (28030, 772938), (33606, 644690), (33636, 644115), (37340, 580221), (42045, 515292), (42941, 504540), (50454, 429410), (56010, 386814), (56060, 386469), (64469, 336060), (67212, 322345), (84015, 257876), (84090, 257646), (85882, 252270), (100908, 214705), (112020, 193407), (126135, 171764), (128823, 168180), (128938, 168030)]