21494776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{141413}}^1$

素因数の和:141438

約数の個数: 16

約数和(自身を含む): 42424200

約数和(自身を除く): 20929424

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 141413, 282826, 565652, 1131304, 2686847, 5373694, 10747388, 21494776]

約数ペア:

[(1, 21494776), (2, 10747388), (4, 5373694), (8, 2686847), (19, 1131304), (38, 565652), (76, 282826), (152, 141413)]