21422568

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^2$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 56170080

約数和(自身を除く): 34747512

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 197, 276, 394, 552, 591, 788, 1182, 1576, 2364, 4531, 4728, 9062, 13593, 18124, 27186, 36248, 38809, 54372, 77618, 108744, 116427, 155236, 232854, 310472, 465708, 892607, 931416, 1785214, 2677821, 3570428, 5355642, 7140856, 10711284, 21422568]

約数ペア:

[(1, 21422568), (2, 10711284), (3, 7140856), (4, 5355642), (6, 3570428), (8, 2677821), (12, 1785214), (23, 931416), (24, 892607), (46, 465708), (69, 310472), (92, 232854), (138, 155236), (184, 116427), (197, 108744), (276, 77618), (394, 54372), (552, 38809), (591, 36248), (788, 27186), (1182, 18124), (1576, 13593), (2364, 9062), (4531, 4728)]