21076605

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 22952835

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 81, 83, 95, 99, 135, 165, 171, 209, 243, 249, 285, 297, 405, 415, 495, 513, 627, 747, 855, 891, 913, 1045, 1215, 1245, 1485, 1539, 1577, 1881, 2241, 2565, 2673, 2739, 3135, 3735, 4455, 4565, 4617, 4731, 5643, 6723, 7695, 7885, 8217, 9405, 11205, 13365, 13695, 14193, 16929, 17347, 20169, 23085, 23655, 24651, 28215, 33615, 41085, 42579, 50787, 52041, 70965, 73953, 84645, 86735, 100845, 123255, 127737, 156123, 212895, 221859, 253935, 260205, 369765, 383211, 468369, 638685, 780615, 1109295, 1405107, 1916055, 2341845, 4215321, 7025535, 21076605]

約数ペア:

[(1, 21076605), (3, 7025535), (5, 4215321), (9, 2341845), (11, 1916055), (15, 1405107), (19, 1109295), (27, 780615), (33, 638685), (45, 468369), (55, 383211), (57, 369765), (81, 260205), (83, 253935), (95, 221859), (99, 212895), (135, 156123), (165, 127737), (171, 123255), (209, 100845), (243, 86735), (249, 84645), (285, 73953), (297, 70965), (405, 52041), (415, 50787), (495, 42579), (513, 41085), (627, 33615), (747, 28215), (855, 24651), (891, 23655), (913, 23085), (1045, 20169), (1215, 17347), (1245, 16929), (1485, 14193), (1539, 13695), (1577, 13365), (1881, 11205), (2241, 9405), (2565, 8217), (2673, 7885), (2739, 7695), (3135, 6723), (3735, 5643), (4455, 4731), (4565, 4617)]