21094047

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3163}}^1$

素因数の和:3204

約数の個数: 32

約数和(自身を含む): 35436800

約数和(自身を除く): 14342753

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 3163, 6669, 9489, 28467, 41119, 60097, 85401, 123357, 180291, 370071, 540873, 781261, 1110213, 1622619, 2343783, 7031349, 21094047]

約数ペア:

[(1, 21094047), (3, 7031349), (9, 2343783), (13, 1622619), (19, 1110213), (27, 781261), (39, 540873), (57, 370071), (117, 180291), (171, 123357), (247, 85401), (351, 60097), (513, 41119), (741, 28467), (2223, 9489), (3163, 6669)]