21573004

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 16952756

約数列:

[1, 2, 4, 79, 158, 233, 293, 316, 466, 586, 932, 1172, 18407, 23147, 36814, 46294, 68269, 73628, 92588, 136538, 273076, 5393251, 10786502, 21573004]

約数ペア:

[(1, 21573004), (2, 10786502), (4, 5393251), (79, 273076), (158, 136538), (233, 92588), (293, 73628), (316, 68269), (466, 46294), (586, 36814), (932, 23147), (1172, 18407)]