21303730

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{6211}}^1$

素因数の和:6239

約数の個数: 32

約数和(自身を含む): 44726400

約数和(自身を除く): 23422670

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 6211, 12422, 31055, 43477, 62110, 86954, 217385, 304339, 434770, 608678, 1521695, 2130373, 3043390, 4260746, 10651865, 21303730]

約数ペア:

[(1, 21303730), (2, 10651865), (5, 4260746), (7, 3043390), (10, 2130373), (14, 1521695), (35, 608678), (49, 434770), (70, 304339), (98, 217385), (245, 86954), (343, 62110), (490, 43477), (686, 31055), (1715, 12422), (3430, 6211)]