21969363

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1307}}^1$

素因数の和:1754

約数の個数: 16

約数和(自身を含む): 31643136

約数和(自身を除く): 9673773

約数列:

[1, 3, 13, 39, 431, 1293, 1307, 3921, 5603, 16809, 16991, 50973, 563317, 1689951, 7323121, 21969363]

約数ペア:

[(1, 21969363), (3, 7323121), (13, 1689951), (39, 563317), (431, 50973), (1293, 16991), (1307, 16809), (3921, 5603)]