21711816

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1873}}^1$

素因数の和:1915

約数の個数: 96

約数和(自身を含む): 70162560

約数和(自身を除く): 48450744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 56, 63, 69, 72, 84, 92, 126, 138, 161, 168, 184, 207, 252, 276, 322, 414, 483, 504, 552, 644, 828, 966, 1288, 1449, 1656, 1873, 1932, 2898, 3746, 3864, 5619, 5796, 7492, 11238, 11592, 13111, 14984, 16857, 22476, 26222, 33714, 39333, 43079, 44952, 52444, 67428, 78666, 86158, 104888, 117999, 129237, 134856, 157332, 172316, 235998, 258474, 301553, 314664, 344632, 387711, 471996, 516948, 603106, 775422, 904659, 943992, 1033896, 1206212, 1550844, 1809318, 2412424, 2713977, 3101688, 3618636, 5427954, 7237272, 10855908, 21711816]

約数ペア:

[(1, 21711816), (2, 10855908), (3, 7237272), (4, 5427954), (6, 3618636), (7, 3101688), (8, 2713977), (9, 2412424), (12, 1809318), (14, 1550844), (18, 1206212), (21, 1033896), (23, 943992), (24, 904659), (28, 775422), (36, 603106), (42, 516948), (46, 471996), (56, 387711), (63, 344632), (69, 314664), (72, 301553), (84, 258474), (92, 235998), (126, 172316), (138, 157332), (161, 134856), (168, 129237), (184, 117999), (207, 104888), (252, 86158), (276, 78666), (322, 67428), (414, 52444), (483, 44952), (504, 43079), (552, 39333), (644, 33714), (828, 26222), (966, 22476), (1288, 16857), (1449, 14984), (1656, 13111), (1873, 11592), (1932, 11238), (2898, 7492), (3746, 5796), (3864, 5619)]