21116091

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1777}}^1$

素因数の和:2030

約数の個数: 16

約数和(自身を含む): 29955744

約数和(自身を除く): 8839653

約数列:

[1, 3, 17, 51, 233, 699, 1777, 3961, 5331, 11883, 30209, 90627, 414041, 1242123, 7038697, 21116091]

約数ペア:

[(1, 21116091), (3, 7038697), (17, 1242123), (51, 414041), (233, 90627), (699, 30209), (1777, 11883), (3961, 5331)]