21281544

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{4049}}^1$

素因数の和:4134

約数の個数: 48

約数和(自身を含む): 58441500

約数和(自身を除く): 37159956

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 146, 219, 292, 438, 584, 657, 876, 1314, 1752, 2628, 4049, 5256, 8098, 12147, 16196, 24294, 32392, 36441, 48588, 72882, 97176, 145764, 291528, 295577, 591154, 886731, 1182308, 1773462, 2364616, 2660193, 3546924, 5320386, 7093848, 10640772, 21281544]

約数ペア:

[(1, 21281544), (2, 10640772), (3, 7093848), (4, 5320386), (6, 3546924), (8, 2660193), (9, 2364616), (12, 1773462), (18, 1182308), (24, 886731), (36, 591154), (72, 295577), (73, 291528), (146, 145764), (219, 97176), (292, 72882), (438, 48588), (584, 36441), (657, 32392), (876, 24294), (1314, 16196), (1752, 12147), (2628, 8098), (4049, 5256)]