21610372

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 46480000

約数和(自身を除く): 24869628

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 829, 931, 1372, 1658, 1862, 3316, 3724, 5803, 6517, 11606, 13034, 15751, 23212, 26068, 31502, 40621, 63004, 81242, 110257, 162484, 220514, 284347, 441028, 568694, 771799, 1137388, 1543598, 3087196, 5402593, 10805186, 21610372]

約数ペア:

[(1, 21610372), (2, 10805186), (4, 5402593), (7, 3087196), (14, 1543598), (19, 1137388), (28, 771799), (38, 568694), (49, 441028), (76, 284347), (98, 220514), (133, 162484), (196, 110257), (266, 81242), (343, 63004), (532, 40621), (686, 31502), (829, 26068), (931, 23212), (1372, 15751), (1658, 13034), (1862, 11606), (3316, 6517), (3724, 5803)]