21401059888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{10039}}^1$

素因数の和:10374

約数の個数: 80

約数和(自身を含む): 46031151040

約数和(自身を除く): 24630091152

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 277, 296, 481, 554, 592, 962, 1108, 1924, 2216, 3601, 3848, 4432, 7202, 7696, 10039, 10249, 14404, 20078, 20498, 28808, 40156, 40996, 57616, 80312, 81992, 130507, 133237, 160624, 163984, 261014, 266474, 371443, 522028, 532948, 742886, 1044056, 1065896, 1485772, 2088112, 2131792, 2780803, 2971544, 4828759, 5561606, 5943088, 9657518, 11123212, 19315036, 22246424, 36150439, 38630072, 44492848, 72300878, 77260144, 102889711, 144601756, 205779422, 289203512, 411558844, 578407024, 823117688, 1337566243, 1646235376, 2675132486, 5350264972, 10700529944, 21401059888]

約数ペア:

[(1, 21401059888), (2, 10700529944), (4, 5350264972), (8, 2675132486), (13, 1646235376), (16, 1337566243), (26, 823117688), (37, 578407024), (52, 411558844), (74, 289203512), (104, 205779422), (148, 144601756), (208, 102889711), (277, 77260144), (296, 72300878), (481, 44492848), (554, 38630072), (592, 36150439), (962, 22246424), (1108, 19315036), (1924, 11123212), (2216, 9657518), (3601, 5943088), (3848, 5561606), (4432, 4828759), (7202, 2971544), (7696, 2780803), (10039, 2131792), (10249, 2088112), (14404, 1485772), (20078, 1065896), (20498, 1044056), (28808, 742886), (40156, 532948), (40996, 522028), (57616, 371443), (80312, 266474), (81992, 261014), (130507, 163984), (133237, 160624)]