21836704112

素因数分解:

$2^4\times {\mathrm{5431}}^1\times {\mathrm{251297}}^1$

素因数の和:256736

約数の個数: 20

約数和(自身を含む): 42316572816

約数和(自身を除く): 20479868704

約数列:

[1, 2, 4, 8, 16, 5431, 10862, 21724, 43448, 86896, 251297, 502594, 1005188, 2010376, 4020752, 1364794007, 2729588014, 5459176028, 10918352056, 21836704112]

約数ペア:

[(1, 21836704112), (2, 10918352056), (4, 5459176028), (8, 2729588014), (16, 1364794007), (5431, 4020752), (10862, 2010376), (21724, 1005188), (43448, 502594), (86896, 251297)]