21105378

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23929}}^1$

素因数の和:23951

約数の個数: 36

約数和(自身を含む): 53196390

約数和(自身を除く): 32091012

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23929, 47858, 71787, 143574, 167503, 215361, 335006, 430722, 502509, 1005018, 1172521, 1507527, 2345042, 3015054, 3517563, 7035126, 10552689, 21105378]

約数ペア:

[(1, 21105378), (2, 10552689), (3, 7035126), (6, 3517563), (7, 3015054), (9, 2345042), (14, 1507527), (18, 1172521), (21, 1005018), (42, 502509), (49, 430722), (63, 335006), (98, 215361), (126, 167503), (147, 143574), (294, 71787), (441, 47858), (882, 23929)]