21469528055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{853}}^1$

素因数の和:1116

約数の個数: 64

約数和(自身を含む): 28767529728

約数和(自身を除く): 7298001673

約数列:

[1, 5, 17, 37, 53, 85, 151, 185, 265, 629, 755, 853, 901, 1961, 2567, 3145, 4265, 4505, 5587, 8003, 9805, 12835, 14501, 27935, 31561, 33337, 40015, 45209, 72505, 94979, 128803, 136051, 157805, 166685, 226045, 296111, 474895, 536537, 644015, 680255, 768553, 1480555, 1672733, 2189651, 2682685, 3842765, 4765711, 5033887, 6826559, 8363665, 10948255, 23828555, 25169435, 28436461, 34132795, 81017087, 116051503, 142182305, 252582683, 405085435, 580257515, 1262913415, 4293905611, 21469528055]

約数ペア:

[(1, 21469528055), (5, 4293905611), (17, 1262913415), (37, 580257515), (53, 405085435), (85, 252582683), (151, 142182305), (185, 116051503), (265, 81017087), (629, 34132795), (755, 28436461), (853, 25169435), (901, 23828555), (1961, 10948255), (2567, 8363665), (3145, 6826559), (4265, 5033887), (4505, 4765711), (5587, 3842765), (8003, 2682685), (9805, 2189651), (12835, 1672733), (14501, 1480555), (27935, 768553), (31561, 680255), (33337, 644015), (40015, 536537), (45209, 474895), (72505, 296111), (94979, 226045), (128803, 166685), (136051, 157805)]