21714992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104399}}^1$

素因数の和:104420

約数の個数: 20

約数和(自身を含む): 45309600

約数和(自身を除く): 23594608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104399, 208798, 417596, 835192, 1357187, 1670384, 2714374, 5428748, 10857496, 21714992]

約数ペア:

[(1, 21714992), (2, 10857496), (4, 5428748), (8, 2714374), (13, 1670384), (16, 1357187), (26, 835192), (52, 417596), (104, 208798), (208, 104399)]