21763336

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 49639680

約数和(自身を除く): 27876344

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 61, 92, 122, 161, 184, 244, 277, 322, 427, 488, 554, 644, 854, 1108, 1288, 1403, 1708, 1939, 2216, 2806, 3416, 3878, 5612, 6371, 7756, 9821, 11224, 12742, 15512, 16897, 19642, 25484, 33794, 39284, 44597, 50968, 67588, 78568, 89194, 118279, 135176, 178388, 236558, 356776, 388631, 473116, 777262, 946232, 1554524, 2720417, 3109048, 5440834, 10881668, 21763336]

約数ペア:

[(1, 21763336), (2, 10881668), (4, 5440834), (7, 3109048), (8, 2720417), (14, 1554524), (23, 946232), (28, 777262), (46, 473116), (56, 388631), (61, 356776), (92, 236558), (122, 178388), (161, 135176), (184, 118279), (244, 89194), (277, 78568), (322, 67588), (427, 50968), (488, 44597), (554, 39284), (644, 33794), (854, 25484), (1108, 19642), (1288, 16897), (1403, 15512), (1708, 12742), (1939, 11224), (2216, 9821), (2806, 7756), (3416, 6371), (3878, 5612)]