21799452

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 30979428

約数列:

[1, 2, 3, 4, 6, 12, 43, 83, 86, 129, 166, 172, 249, 258, 332, 498, 509, 516, 996, 1018, 1527, 2036, 3054, 3569, 6108, 7138, 10707, 14276, 21414, 21887, 42247, 42828, 43774, 65661, 84494, 87548, 126741, 131322, 168988, 253482, 262644, 506964, 1816621, 3633242, 5449863, 7266484, 10899726, 21799452]

約数ペア:

[(1, 21799452), (2, 10899726), (3, 7266484), (4, 5449863), (6, 3633242), (12, 1816621), (43, 506964), (83, 262644), (86, 253482), (129, 168988), (166, 131322), (172, 126741), (249, 87548), (258, 84494), (332, 65661), (498, 43774), (509, 42828), (516, 42247), (996, 21887), (1018, 21414), (1527, 14276), (2036, 10707), (3054, 7138), (3569, 6108)]