21032977295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{12763}}^1$

素因数の和:12900

約数の個数: 48

約数和(自身を含む): 29411932032

約数和(自身を除く): 8378954737

約数列:

[1, 5, 11, 19, 55, 83, 95, 209, 361, 415, 913, 1045, 1577, 1805, 3971, 4565, 7885, 12763, 17347, 19855, 29963, 63815, 86735, 140393, 149815, 242497, 329593, 701965, 1059329, 1212485, 1647965, 2667467, 4607443, 5296645, 11652619, 13337335, 20127251, 23037215, 50681873, 58263095, 100636255, 221399761, 253409365, 382417769, 1106998805, 1912088845, 4206595459, 21032977295]

約数ペア:

[(1, 21032977295), (5, 4206595459), (11, 1912088845), (19, 1106998805), (55, 382417769), (83, 253409365), (95, 221399761), (209, 100636255), (361, 58263095), (415, 50681873), (913, 23037215), (1045, 20127251), (1577, 13337335), (1805, 11652619), (3971, 5296645), (4565, 4607443), (7885, 2667467), (12763, 1647965), (17347, 1212485), (19855, 1059329), (29963, 701965), (63815, 329593), (86735, 242497), (140393, 149815)]