21590224

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22871}}^1$

素因数の和:22938

約数の個数: 20

約数和(自身を含む): 42541920

約数和(自身を除く): 20951696

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22871, 45742, 91484, 182968, 365936, 1349389, 2698778, 5397556, 10795112, 21590224]

約数ペア:

[(1, 21590224), (2, 10795112), (4, 5397556), (8, 2698778), (16, 1349389), (59, 365936), (118, 182968), (236, 91484), (472, 45742), (944, 22871)]