21661584

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2803}}^1$

素因数の和:2844

約数の個数: 80

約数和(自身を含む): 66757632

約数和(自身を除く): 45096048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 2803, 3864, 5606, 7728, 8409, 11212, 16818, 19621, 22424, 33636, 39242, 44848, 58863, 64469, 67272, 78484, 117726, 128938, 134544, 156968, 193407, 235452, 257876, 313936, 386814, 451283, 470904, 515752, 773628, 902566, 941808, 1031504, 1353849, 1547256, 1805132, 2707698, 3094512, 3610264, 5415396, 7220528, 10830792, 21661584]

約数ペア:

[(1, 21661584), (2, 10830792), (3, 7220528), (4, 5415396), (6, 3610264), (7, 3094512), (8, 2707698), (12, 1805132), (14, 1547256), (16, 1353849), (21, 1031504), (23, 941808), (24, 902566), (28, 773628), (42, 515752), (46, 470904), (48, 451283), (56, 386814), (69, 313936), (84, 257876), (92, 235452), (112, 193407), (138, 156968), (161, 134544), (168, 128938), (184, 117726), (276, 78484), (322, 67272), (336, 64469), (368, 58863), (483, 44848), (552, 39242), (644, 33636), (966, 22424), (1104, 19621), (1288, 16818), (1932, 11212), (2576, 8409), (2803, 7728), (3864, 5606)]