21581150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22717}}^1$

素因数の和:22748

約数の個数: 24

約数和(自身を含む): 42255480

約数和(自身を除く): 20674330

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 22717, 45434, 113585, 227170, 431623, 567925, 863246, 1135850, 2158115, 4316230, 10790575, 21581150]

約数ペア:

[(1, 21581150), (2, 10790575), (5, 4316230), (10, 2158115), (19, 1135850), (25, 863246), (38, 567925), (50, 431623), (95, 227170), (190, 113585), (475, 45434), (950, 22717)]