21575664

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 67375152

約数和(自身を除く): 45799488

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 53, 66, 72, 88, 99, 106, 132, 144, 159, 176, 198, 212, 257, 264, 318, 396, 424, 477, 514, 528, 583, 636, 771, 792, 848, 954, 1028, 1166, 1272, 1542, 1584, 1749, 1908, 2056, 2313, 2332, 2544, 2827, 3084, 3498, 3816, 4112, 4626, 4664, 5247, 5654, 6168, 6996, 7632, 8481, 9252, 9328, 10494, 11308, 12336, 13621, 13992, 16962, 18504, 20988, 22616, 25443, 27242, 27984, 33924, 37008, 40863, 41976, 45232, 50886, 54484, 67848, 81726, 83952, 101772, 108968, 122589, 135696, 149831, 163452, 203544, 217936, 245178, 299662, 326904, 407088, 449493, 490356, 599324, 653808, 898986, 980712, 1198648, 1348479, 1797972, 1961424, 2397296, 2696958, 3595944, 5393916, 7191888, 10787832, 21575664]

約数ペア:

[(1, 21575664), (2, 10787832), (3, 7191888), (4, 5393916), (6, 3595944), (8, 2696958), (9, 2397296), (11, 1961424), (12, 1797972), (16, 1348479), (18, 1198648), (22, 980712), (24, 898986), (33, 653808), (36, 599324), (44, 490356), (48, 449493), (53, 407088), (66, 326904), (72, 299662), (88, 245178), (99, 217936), (106, 203544), (132, 163452), (144, 149831), (159, 135696), (176, 122589), (198, 108968), (212, 101772), (257, 83952), (264, 81726), (318, 67848), (396, 54484), (424, 50886), (477, 45232), (514, 41976), (528, 40863), (583, 37008), (636, 33924), (771, 27984), (792, 27242), (848, 25443), (954, 22616), (1028, 20988), (1166, 18504), (1272, 16962), (1542, 13992), (1584, 13621), (1749, 12336), (1908, 11308), (2056, 10494), (2313, 9328), (2332, 9252), (2544, 8481), (2827, 7632), (3084, 6996), (3498, 6168), (3816, 5654), (4112, 5247), (4626, 4664)]