21011304

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^2\times {\mathrm{911}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 54336960

約数和(自身を除く): 33325656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 911, 961, 1822, 1922, 2733, 2883, 3644, 3844, 5466, 5766, 7288, 7688, 10932, 11532, 21864, 23064, 28241, 56482, 84723, 112964, 169446, 225928, 338892, 677784, 875471, 1750942, 2626413, 3501884, 5252826, 7003768, 10505652, 21011304]

約数ペア:

[(1, 21011304), (2, 10505652), (3, 7003768), (4, 5252826), (6, 3501884), (8, 2626413), (12, 1750942), (24, 875471), (31, 677784), (62, 338892), (93, 225928), (124, 169446), (186, 112964), (248, 84723), (372, 56482), (744, 28241), (911, 23064), (961, 21864), (1822, 11532), (1922, 10932), (2733, 7688), (2883, 7288), (3644, 5766), (3844, 5466)]