21227346

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18719}}^1$

素因数の和:18740

約数の個数: 40

約数和(自身を含む): 54362880

約数和(自身を除く): 33135534

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18719, 37438, 56157, 112314, 131033, 168471, 262066, 336942, 393099, 505413, 786198, 1010826, 1179297, 1516239, 2358594, 3032478, 3537891, 7075782, 10613673, 21227346]

約数ペア:

[(1, 21227346), (2, 10613673), (3, 7075782), (6, 3537891), (7, 3032478), (9, 2358594), (14, 1516239), (18, 1179297), (21, 1010826), (27, 786198), (42, 505413), (54, 393099), (63, 336942), (81, 262066), (126, 168471), (162, 131033), (189, 112314), (378, 56157), (567, 37438), (1134, 18719)]