21151242

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23981}}^1$

素因数の和:24003

約数の個数: 36

約数和(自身を含む): 53311986

約数和(自身を除く): 32160744

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23981, 47962, 71943, 143886, 167867, 215829, 335734, 431658, 503601, 1007202, 1175069, 1510803, 2350138, 3021606, 3525207, 7050414, 10575621, 21151242]

約数ペア:

[(1, 21151242), (2, 10575621), (3, 7050414), (6, 3525207), (7, 3021606), (9, 2350138), (14, 1510803), (18, 1175069), (21, 1007202), (42, 503601), (49, 431658), (63, 335734), (98, 215829), (126, 167867), (147, 143886), (294, 71943), (441, 47962), (882, 23981)]