21266802

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 48185280

約数和(自身を除く): 26918478

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 131, 174, 261, 262, 311, 393, 522, 622, 786, 933, 1179, 1866, 2358, 2799, 3799, 5598, 7598, 9019, 11397, 18038, 22794, 27057, 34191, 40741, 54114, 68382, 81171, 81482, 122223, 162342, 244446, 366669, 733338, 1181489, 2362978, 3544467, 7088934, 10633401, 21266802]

約数ペア:

[(1, 21266802), (2, 10633401), (3, 7088934), (6, 3544467), (9, 2362978), (18, 1181489), (29, 733338), (58, 366669), (87, 244446), (131, 162342), (174, 122223), (261, 81482), (262, 81171), (311, 68382), (393, 54114), (522, 40741), (622, 34191), (786, 27057), (933, 22794), (1179, 18038), (1866, 11397), (2358, 9019), (2799, 7598), (3799, 5598)]