21258588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136273}}^1$

素因数の和:136293

約数の個数: 24

約数和(自身を含む): 53419408

約数和(自身を除く): 32160820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136273, 272546, 408819, 545092, 817638, 1635276, 1771549, 3543098, 5314647, 7086196, 10629294, 21258588]

約数ペア:

[(1, 21258588), (2, 10629294), (3, 7086196), (4, 5314647), (6, 3543098), (12, 1771549), (13, 1635276), (26, 817638), (39, 545092), (52, 408819), (78, 272546), (156, 136273)]