21151052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13121}}^1$

素因数の和:13169

約数の個数: 24

約数和(自身を含む): 41150592

約数和(自身を除く): 19999540

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13121, 26242, 52484, 170573, 341146, 406751, 682292, 813502, 1627004, 5287763, 10575526, 21151052]

約数ペア:

[(1, 21151052), (2, 10575526), (4, 5287763), (13, 1627004), (26, 813502), (31, 682292), (52, 406751), (62, 341146), (124, 170573), (403, 52484), (806, 26242), (1612, 13121)]