21122132380

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2786561}}^1$

素因数の和:2786949

約数の個数: 24

約数和(自身を含む): 44473529520

約数和(自身を除く): 23351397140

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 2786561, 5573122, 11146244, 13932805, 27865610, 55731220, 1056106619, 2112213238, 4224426476, 5280533095, 10561066190, 21122132380]

約数ペア:

[(1, 21122132380), (2, 10561066190), (4, 5280533095), (5, 4224426476), (10, 2112213238), (20, 1056106619), (379, 55731220), (758, 27865610), (1516, 13932805), (1895, 11146244), (3790, 5573122), (7580, 2786561)]