21904878

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{158731}}^1$

素因数の和:158759

約数の個数: 16

約数和(自身を含む): 45714816

約数和(自身を除く): 23809938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 158731, 317462, 476193, 952386, 3650813, 7301626, 10952439, 21904878]

約数ペア:

[(1, 21904878), (2, 10952439), (3, 7301626), (6, 3650813), (23, 952386), (46, 476193), (69, 317462), (138, 158731)]