21306350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32779}}^1$

素因数の和:32804

約数の個数: 24

約数和(自身を含む): 42679560

約数和(自身を除く): 21373210

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32779, 65558, 163895, 327790, 426127, 819475, 852254, 1638950, 2130635, 4261270, 10653175, 21306350]

約数ペア:

[(1, 21306350), (2, 10653175), (5, 4261270), (10, 2130635), (13, 1638950), (25, 852254), (26, 819475), (50, 426127), (65, 327790), (130, 163895), (325, 65558), (650, 32779)]