21092369961

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{4861}}^1$

素因数の和:5042

約数の個数: 64

約数和(自身を含む): 32446109696

約数和(自身を除く): 11353739735

約数列:

[1, 3, 13, 31, 37, 39, 93, 97, 111, 291, 403, 481, 1147, 1209, 1261, 1443, 3007, 3441, 3589, 3783, 4861, 9021, 10767, 14583, 14911, 39091, 44733, 46657, 63193, 111259, 117273, 139971, 150691, 179857, 189579, 333777, 452073, 471517, 539571, 1414551, 1446367, 1958983, 2338141, 4339101, 5575567, 5876949, 6129721, 7014423, 14617027, 16726701, 17446129, 18389163, 43851081, 52338387, 72482371, 190021351, 217447113, 226799677, 540829999, 570064053, 680399031, 1622489997, 7030789987, 21092369961]

約数ペア:

[(1, 21092369961), (3, 7030789987), (13, 1622489997), (31, 680399031), (37, 570064053), (39, 540829999), (93, 226799677), (97, 217447113), (111, 190021351), (291, 72482371), (403, 52338387), (481, 43851081), (1147, 18389163), (1209, 17446129), (1261, 16726701), (1443, 14617027), (3007, 7014423), (3441, 6129721), (3589, 5876949), (3783, 5575567), (4861, 4339101), (9021, 2338141), (10767, 1958983), (14583, 1446367), (14911, 1414551), (39091, 539571), (44733, 471517), (46657, 452073), (63193, 333777), (111259, 189579), (117273, 179857), (139971, 150691)]