21645965056

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{1223}}^1\times {\mathrm{1471}}^1$

素因数の和:2757

約数の個数: 72

約数和(自身を含む): 44192784384

約数和(自身を除く): 22546819328

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 752, 1223, 1471, 1504, 2446, 2942, 3008, 4892, 5884, 6016, 9784, 11768, 12032, 19568, 23536, 39136, 47072, 57481, 69137, 78272, 94144, 114962, 138274, 156544, 188288, 229924, 276548, 313088, 376576, 459848, 553096, 919696, 1106192, 1799033, 1839392, 2212384, 3598066, 3678784, 4424768, 7196132, 7357568, 8849536, 14392264, 14715136, 17699072, 28784528, 57569056, 84554551, 115138112, 169109102, 230276224, 338218204, 460552448, 676436408, 1352872816, 2705745632, 5411491264, 10822982528, 21645965056]

約数ペア:

[(1, 21645965056), (2, 10822982528), (4, 5411491264), (8, 2705745632), (16, 1352872816), (32, 676436408), (47, 460552448), (64, 338218204), (94, 230276224), (128, 169109102), (188, 115138112), (256, 84554551), (376, 57569056), (752, 28784528), (1223, 17699072), (1471, 14715136), (1504, 14392264), (2446, 8849536), (2942, 7357568), (3008, 7196132), (4892, 4424768), (5884, 3678784), (6016, 3598066), (9784, 2212384), (11768, 1839392), (12032, 1799033), (19568, 1106192), (23536, 919696), (39136, 553096), (47072, 459848), (57481, 376576), (69137, 313088), (78272, 276548), (94144, 229924), (114962, 188288), (138274, 156544)]