21193580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46073}}^1$

素因数の和:46105

約数の個数: 24

約数和(自身を含む): 46442592

約数和(自身を除く): 25249012

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46073, 92146, 184292, 230365, 460730, 921460, 1059679, 2119358, 4238716, 5298395, 10596790, 21193580]

約数ペア:

[(1, 21193580), (2, 10596790), (4, 5298395), (5, 4238716), (10, 2119358), (20, 1059679), (23, 921460), (46, 460730), (92, 230365), (115, 184292), (230, 92146), (460, 46073)]