21788933868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10531}}^1\times {\mathrm{4421}}^1$

素因数の和:14975

約数の個数: 72

約数和(自身を含む): 59333370096

約数和(自身を除く): 37544436228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 4421, 8842, 10531, 13263, 17684, 21062, 26526, 31593, 39789, 42124, 53052, 57473, 63186, 79578, 94779, 114946, 126372, 136903, 159156, 172419, 189558, 229892, 273806, 344838, 379116, 410709, 517257, 547612, 689676, 821418, 1034514, 1232127, 1642836, 2069028, 2464254, 4928508, 46557551, 93115102, 139672653, 186230204, 279345306, 419017959, 558690612, 605248163, 838035918, 1210496326, 1676071836, 1815744489, 2420992652, 3631488978, 5447233467, 7262977956, 10894466934, 21788933868]

約数ペア:

[(1, 21788933868), (2, 10894466934), (3, 7262977956), (4, 5447233467), (6, 3631488978), (9, 2420992652), (12, 1815744489), (13, 1676071836), (18, 1210496326), (26, 838035918), (36, 605248163), (39, 558690612), (52, 419017959), (78, 279345306), (117, 186230204), (156, 139672653), (234, 93115102), (468, 46557551), (4421, 4928508), (8842, 2464254), (10531, 2069028), (13263, 1642836), (17684, 1232127), (21062, 1034514), (26526, 821418), (31593, 689676), (39789, 547612), (42124, 517257), (53052, 410709), (57473, 379116), (63186, 344838), (79578, 273806), (94779, 229892), (114946, 189558), (126372, 172419), (136903, 159156)]