21789112

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{24103}}^1$

素因数の和:24222

約数の個数: 16

約数和(自身を含む): 41217840

約数和(自身を除く): 19428728

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 24103, 48206, 96412, 192824, 2723639, 5447278, 10894556, 21789112]

約数ペア:

[(1, 21789112), (2, 10894556), (4, 5447278), (8, 2723639), (113, 192824), (226, 96412), (452, 48206), (904, 24103)]