21335964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136769}}^1$

素因数の和:136789

約数の個数: 24

約数和(自身を含む): 53613840

約数和(自身を除く): 32277876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136769, 273538, 410307, 547076, 820614, 1641228, 1777997, 3555994, 5333991, 7111988, 10667982, 21335964]

約数ペア:

[(1, 21335964), (2, 10667982), (3, 7111988), (4, 5333991), (6, 3555994), (12, 1777997), (13, 1641228), (26, 820614), (39, 547076), (52, 410307), (78, 273538), (156, 136769)]