21716964

素因数分解:

$2^2\times 3^3\times {\mathrm{211}}^1\times {\mathrm{953}}^1$

素因数の和:1177

約数の個数: 48

約数和(自身を含む): 56629440

約数和(自身を除く): 34912476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 211, 422, 633, 844, 953, 1266, 1899, 1906, 2532, 2859, 3798, 3812, 5697, 5718, 7596, 8577, 11394, 11436, 17154, 22788, 25731, 34308, 51462, 102924, 201083, 402166, 603249, 804332, 1206498, 1809747, 2412996, 3619494, 5429241, 7238988, 10858482, 21716964]

約数ペア:

[(1, 21716964), (2, 10858482), (3, 7238988), (4, 5429241), (6, 3619494), (9, 2412996), (12, 1809747), (18, 1206498), (27, 804332), (36, 603249), (54, 402166), (108, 201083), (211, 102924), (422, 51462), (633, 34308), (844, 25731), (953, 22788), (1266, 17154), (1899, 11436), (1906, 11394), (2532, 8577), (2859, 7596), (3798, 5718), (3812, 5697)]