2011924915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21157}}^1$

素因数の和:21212

約数の個数: 64

約数和(自身を含む): 3412362240

約数和(自身を除く): 1400437325

約数列:

[1, 5, 7, 11, 13, 19, 35, 55, 65, 77, 91, 95, 133, 143, 209, 247, 385, 455, 665, 715, 1001, 1045, 1235, 1463, 1729, 2717, 5005, 7315, 8645, 13585, 19019, 21157, 95095, 105785, 148099, 232727, 275041, 401983, 740495, 1163635, 1375205, 1629089, 1925287, 2009915, 2813881, 3025451, 4421813, 5225779, 8145445, 9626435, 14069405, 15127255, 21178157, 22109065, 26128895, 30952691, 36580453, 57483569, 105890785, 154763455, 182902265, 287417845, 402384983, 2011924915]

約数ペア:

[(1, 2011924915), (5, 402384983), (7, 287417845), (11, 182902265), (13, 154763455), (19, 105890785), (35, 57483569), (55, 36580453), (65, 30952691), (77, 26128895), (91, 22109065), (95, 21178157), (133, 15127255), (143, 14069405), (209, 9626435), (247, 8145445), (385, 5225779), (455, 4421813), (665, 3025451), (715, 2813881), (1001, 2009915), (1045, 1925287), (1235, 1629089), (1463, 1375205), (1729, 1163635), (2717, 740495), (5005, 401983), (7315, 275041), (8645, 232727), (13585, 148099), (19019, 105785), (21157, 95095)]