21670094964

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{344429}}^1$

素因数の和:344557

約数の個数: 72

約数和(自身を含む): 59368710240

約数和(自身を除く): 37698615276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 107, 147, 196, 214, 294, 321, 428, 588, 642, 749, 1284, 1498, 2247, 2996, 4494, 5243, 8988, 10486, 15729, 20972, 31458, 62916, 344429, 688858, 1033287, 1377716, 2066574, 2411003, 4133148, 4822006, 7233009, 9644012, 14466018, 16877021, 28932036, 33754042, 36853903, 50631063, 67508084, 73707806, 101262126, 110561709, 147415612, 202524252, 221123418, 257977321, 442246836, 515954642, 773931963, 1031909284, 1547863926, 1805841247, 3095727852, 3611682494, 5417523741, 7223364988, 10835047482, 21670094964]

約数ペア:

[(1, 21670094964), (2, 10835047482), (3, 7223364988), (4, 5417523741), (6, 3611682494), (7, 3095727852), (12, 1805841247), (14, 1547863926), (21, 1031909284), (28, 773931963), (42, 515954642), (49, 442246836), (84, 257977321), (98, 221123418), (107, 202524252), (147, 147415612), (196, 110561709), (214, 101262126), (294, 73707806), (321, 67508084), (428, 50631063), (588, 36853903), (642, 33754042), (749, 28932036), (1284, 16877021), (1498, 14466018), (2247, 9644012), (2996, 7233009), (4494, 4822006), (5243, 4133148), (8988, 2411003), (10486, 2066574), (15729, 1377716), (20972, 1033287), (31458, 688858), (62916, 344429)]