21536716

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1181}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 38920896

約数和(自身を除く): 17384180

約数列:

[1, 2, 4, 47, 94, 97, 188, 194, 388, 1181, 2362, 4559, 4724, 9118, 18236, 55507, 111014, 114557, 222028, 229114, 458228, 5384179, 10768358, 21536716]

約数ペア:

[(1, 21536716), (2, 10768358), (4, 5384179), (47, 458228), (94, 229114), (97, 222028), (188, 114557), (194, 111014), (388, 55507), (1181, 18236), (2362, 9118), (4559, 4724)]