21291237232

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{116107}}^1$

素因数の和:116345

約数の個数: 40

約数和(自身を含む): 42083576816

約数和(自身を除く): 20792339584

約数列:

[1, 2, 4, 8, 16, 73, 146, 157, 292, 314, 584, 628, 1168, 1256, 2512, 11461, 22922, 45844, 91688, 116107, 183376, 232214, 464428, 928856, 1857712, 8475811, 16951622, 18228799, 33903244, 36457598, 67806488, 72915196, 135612976, 145830392, 291660784, 1330702327, 2661404654, 5322809308, 10645618616, 21291237232]

約数ペア:

[(1, 21291237232), (2, 10645618616), (4, 5322809308), (8, 2661404654), (16, 1330702327), (73, 291660784), (146, 145830392), (157, 135612976), (292, 72915196), (314, 67806488), (584, 36457598), (628, 33903244), (1168, 18228799), (1256, 16951622), (2512, 8475811), (11461, 1857712), (22922, 928856), (45844, 464428), (91688, 232214), (116107, 183376)]