21620136

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 56306880

約数和(自身を除く): 34686744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 97, 111, 148, 194, 222, 251, 291, 296, 388, 444, 502, 582, 753, 776, 888, 1004, 1164, 1506, 2008, 2328, 3012, 3589, 6024, 7178, 9287, 10767, 14356, 18574, 21534, 24347, 27861, 28712, 37148, 43068, 48694, 55722, 73041, 74296, 86136, 97388, 111444, 146082, 194776, 222888, 292164, 584328, 900839, 1801678, 2702517, 3603356, 5405034, 7206712, 10810068, 21620136]

約数ペア:

[(1, 21620136), (2, 10810068), (3, 7206712), (4, 5405034), (6, 3603356), (8, 2702517), (12, 1801678), (24, 900839), (37, 584328), (74, 292164), (97, 222888), (111, 194776), (148, 146082), (194, 111444), (222, 97388), (251, 86136), (291, 74296), (296, 73041), (388, 55722), (444, 48694), (502, 43068), (582, 37148), (753, 28712), (776, 27861), (888, 24347), (1004, 21534), (1164, 18574), (1506, 14356), (2008, 10767), (2328, 9287), (3012, 7178), (3589, 6024)]