21123144

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41911}}^1$

素因数の和:41930

約数の個数: 48

約数和(自身を含む): 65382720

約数和(自身を除く): 44259576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41911, 83822, 125733, 167644, 251466, 293377, 335288, 377199, 502932, 586754, 754398, 880131, 1005864, 1173508, 1508796, 1760262, 2347016, 2640393, 3017592, 3520524, 5280786, 7041048, 10561572, 21123144]

約数ペア:

[(1, 21123144), (2, 10561572), (3, 7041048), (4, 5280786), (6, 3520524), (7, 3017592), (8, 2640393), (9, 2347016), (12, 1760262), (14, 1508796), (18, 1173508), (21, 1005864), (24, 880131), (28, 754398), (36, 586754), (42, 502932), (56, 377199), (63, 335288), (72, 293377), (84, 251466), (126, 167644), (168, 125733), (252, 83822), (504, 41911)]