21474739

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{571}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 25369344

約数和(自身を除く): 3894605

約数列:

[1, 11, 13, 143, 263, 571, 2893, 3419, 6281, 7423, 37609, 81653, 150173, 1651903, 1952249, 21474739]

約数ペア:

[(1, 21474739), (11, 1952249), (13, 1651903), (143, 150173), (263, 81653), (571, 37609), (2893, 7423), (3419, 6281)]