21813190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4651}}^1$

素因数の和:4732

約数の個数: 32

約数和(自身を含む): 45552384

約数和(自身を除く): 23739194

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4651, 4690, 9302, 23255, 32557, 46510, 65114, 162785, 311617, 325570, 623234, 1558085, 2181319, 3116170, 4362638, 10906595, 21813190]

約数ペア:

[(1, 21813190), (2, 10906595), (5, 4362638), (7, 3116170), (10, 2181319), (14, 1558085), (35, 623234), (67, 325570), (70, 311617), (134, 162785), (335, 65114), (469, 46510), (670, 32557), (938, 23255), (2345, 9302), (4651, 4690)]