21090336

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12923}}^1$

素因数の和:12953

約数の個数: 48

約数和(自身を含む): 58623264

約数和(自身を除く): 37532928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12923, 25846, 38769, 51692, 77538, 103384, 155076, 206768, 219691, 310152, 413536, 439382, 620304, 659073, 878764, 1240608, 1318146, 1757528, 2636292, 3515056, 5272584, 7030112, 10545168, 21090336]

約数ペア:

[(1, 21090336), (2, 10545168), (3, 7030112), (4, 5272584), (6, 3515056), (8, 2636292), (12, 1757528), (16, 1318146), (17, 1240608), (24, 878764), (32, 659073), (34, 620304), (48, 439382), (51, 413536), (68, 310152), (96, 219691), (102, 206768), (136, 155076), (204, 103384), (272, 77538), (408, 51692), (544, 38769), (816, 25846), (1632, 12923)]