21139941746

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1\times {\mathrm{10601}}^1$

素因数の和:11207

約数の個数: 64

約数和(自身を含む): 41330497536

約数和(自身を除く): 20190555790

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 563, 1126, 1771, 3542, 3941, 6193, 7882, 10601, 12386, 12949, 21202, 25898, 43351, 74207, 86702, 90643, 116611, 142439, 148414, 181286, 233222, 243823, 284878, 487646, 816277, 997073, 1632554, 1706761, 1994146, 2682053, 3413522, 5364106, 5968363, 11936726, 18774371, 37548742, 41778541, 65651993, 83557082, 131303986, 137272349, 274544698, 459563951, 919127902, 960906443, 1509995839, 1921812886, 3019991678, 10569970873, 21139941746]

約数ペア:

[(1, 21139941746), (2, 10569970873), (7, 3019991678), (11, 1921812886), (14, 1509995839), (22, 960906443), (23, 919127902), (46, 459563951), (77, 274544698), (154, 137272349), (161, 131303986), (253, 83557082), (322, 65651993), (506, 41778541), (563, 37548742), (1126, 18774371), (1771, 11936726), (3542, 5968363), (3941, 5364106), (6193, 3413522), (7882, 2682053), (10601, 1994146), (12386, 1706761), (12949, 1632554), (21202, 997073), (25898, 816277), (43351, 487646), (74207, 284878), (86702, 243823), (90643, 233222), (116611, 181286), (142439, 148414)]