21664827828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3737893}}^1$

素因数の和:3737933

約数の個数: 72

約数和(自身を含む): 65308483968

約数和(自身を除く): 43643656140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 5796, 3737893, 7475786, 11213679, 14951572, 22427358, 26165251, 33641037, 44854716, 52330502, 67282074, 78495753, 85971539, 104661004, 134564148, 156991506, 171943078, 235487259, 257914617, 313983012, 343886156, 470974518, 515829234, 601800773, 773743851, 941949036, 1031658468, 1203601546, 1547487702, 1805402319, 2407203092, 3094975404, 3610804638, 5416206957, 7221609276, 10832413914, 21664827828]

約数ペア:

[(1, 21664827828), (2, 10832413914), (3, 7221609276), (4, 5416206957), (6, 3610804638), (7, 3094975404), (9, 2407203092), (12, 1805402319), (14, 1547487702), (18, 1203601546), (21, 1031658468), (23, 941949036), (28, 773743851), (36, 601800773), (42, 515829234), (46, 470974518), (63, 343886156), (69, 313983012), (84, 257914617), (92, 235487259), (126, 171943078), (138, 156991506), (161, 134564148), (207, 104661004), (252, 85971539), (276, 78495753), (322, 67282074), (414, 52330502), (483, 44854716), (644, 33641037), (828, 26165251), (966, 22427358), (1449, 14951572), (1932, 11213679), (2898, 7475786), (5796, 3737893)]