21487704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 65802240

約数和(自身を除く): 44314536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 67, 69, 83, 84, 92, 134, 138, 161, 166, 168, 184, 201, 249, 268, 276, 322, 332, 402, 469, 483, 498, 536, 552, 581, 644, 664, 804, 938, 966, 996, 1162, 1288, 1407, 1541, 1608, 1743, 1876, 1909, 1932, 1992, 2324, 2814, 3082, 3486, 3752, 3818, 3864, 4623, 4648, 5561, 5628, 5727, 6164, 6972, 7636, 9246, 10787, 11122, 11256, 11454, 12328, 13363, 13944, 15272, 16683, 18492, 21574, 22244, 22908, 26726, 32361, 33366, 36984, 38927, 40089, 43148, 44488, 45816, 53452, 64722, 66732, 77854, 80178, 86296, 106904, 116781, 127903, 129444, 133464, 155708, 160356, 233562, 255806, 258888, 311416, 320712, 383709, 467124, 511612, 767418, 895321, 934248, 1023224, 1534836, 1790642, 2685963, 3069672, 3581284, 5371926, 7162568, 10743852, 21487704]

約数ペア:

[(1, 21487704), (2, 10743852), (3, 7162568), (4, 5371926), (6, 3581284), (7, 3069672), (8, 2685963), (12, 1790642), (14, 1534836), (21, 1023224), (23, 934248), (24, 895321), (28, 767418), (42, 511612), (46, 467124), (56, 383709), (67, 320712), (69, 311416), (83, 258888), (84, 255806), (92, 233562), (134, 160356), (138, 155708), (161, 133464), (166, 129444), (168, 127903), (184, 116781), (201, 106904), (249, 86296), (268, 80178), (276, 77854), (322, 66732), (332, 64722), (402, 53452), (469, 45816), (483, 44488), (498, 43148), (536, 40089), (552, 38927), (581, 36984), (644, 33366), (664, 32361), (804, 26726), (938, 22908), (966, 22244), (996, 21574), (1162, 18492), (1288, 16683), (1407, 15272), (1541, 13944), (1608, 13363), (1743, 12328), (1876, 11454), (1909, 11256), (1932, 11122), (1992, 10787), (2324, 9246), (2814, 7636), (3082, 6972), (3486, 6164), (3752, 5727), (3818, 5628), (3864, 5561), (4623, 4648)]