21197106

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{8011}}^1$

素因数の和:8036

約数の個数: 48

約数和(自身を含む): 54802080

約数和(自身を除く): 33604974

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 8011, 16022, 24033, 48066, 56077, 72099, 112154, 144198, 168231, 216297, 336462, 392539, 432594, 504693, 785078, 1009386, 1177617, 1514079, 2355234, 3028158, 3532851, 7065702, 10598553, 21197106]

約数ペア:

[(1, 21197106), (2, 10598553), (3, 7065702), (6, 3532851), (7, 3028158), (9, 2355234), (14, 1514079), (18, 1177617), (21, 1009386), (27, 785078), (42, 504693), (49, 432594), (54, 392539), (63, 336462), (98, 216297), (126, 168231), (147, 144198), (189, 112154), (294, 72099), (378, 56077), (441, 48066), (882, 24033), (1323, 16022), (2646, 8011)]