21183176

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 48998400

約数和(自身を除く): 27815224

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 56, 76, 86, 133, 152, 172, 266, 301, 344, 463, 532, 602, 817, 926, 1064, 1204, 1634, 1852, 2408, 3241, 3268, 3704, 5719, 6482, 6536, 8797, 11438, 12964, 17594, 19909, 22876, 25928, 35188, 39818, 45752, 61579, 70376, 79636, 123158, 139363, 159272, 246316, 278726, 378271, 492632, 557452, 756542, 1114904, 1513084, 2647897, 3026168, 5295794, 10591588, 21183176]

約数ペア:

[(1, 21183176), (2, 10591588), (4, 5295794), (7, 3026168), (8, 2647897), (14, 1513084), (19, 1114904), (28, 756542), (38, 557452), (43, 492632), (56, 378271), (76, 278726), (86, 246316), (133, 159272), (152, 139363), (172, 123158), (266, 79636), (301, 70376), (344, 61579), (463, 45752), (532, 39818), (602, 35188), (817, 25928), (926, 22876), (1064, 19909), (1204, 17594), (1634, 12964), (1852, 11438), (2408, 8797), (3241, 6536), (3268, 6482), (3704, 5719)]