21837396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 61931520

約数和(自身を除く): 40094124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 89, 92, 127, 138, 161, 178, 254, 267, 276, 322, 356, 381, 483, 508, 534, 623, 644, 762, 889, 966, 1068, 1246, 1524, 1778, 1869, 1932, 2047, 2492, 2667, 2921, 3556, 3738, 4094, 5334, 5842, 6141, 7476, 8188, 8763, 10668, 11303, 11684, 12282, 14329, 17526, 20447, 22606, 24564, 28658, 33909, 35052, 40894, 42987, 45212, 57316, 61341, 67818, 79121, 81788, 85974, 122682, 135636, 158242, 171948, 237363, 245364, 259969, 316484, 474726, 519938, 779907, 949452, 1039876, 1559814, 1819783, 3119628, 3639566, 5459349, 7279132, 10918698, 21837396]

約数ペア:

[(1, 21837396), (2, 10918698), (3, 7279132), (4, 5459349), (6, 3639566), (7, 3119628), (12, 1819783), (14, 1559814), (21, 1039876), (23, 949452), (28, 779907), (42, 519938), (46, 474726), (69, 316484), (84, 259969), (89, 245364), (92, 237363), (127, 171948), (138, 158242), (161, 135636), (178, 122682), (254, 85974), (267, 81788), (276, 79121), (322, 67818), (356, 61341), (381, 57316), (483, 45212), (508, 42987), (534, 40894), (623, 35052), (644, 33909), (762, 28658), (889, 24564), (966, 22606), (1068, 20447), (1246, 17526), (1524, 14329), (1778, 12282), (1869, 11684), (1932, 11303), (2047, 10668), (2492, 8763), (2667, 8188), (2921, 7476), (3556, 6141), (3738, 5842), (4094, 5334)]