21174168

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34813032

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 89, 92, 138, 178, 184, 267, 276, 356, 431, 534, 552, 712, 862, 1068, 1293, 1724, 2047, 2136, 2586, 3448, 4094, 5172, 6141, 8188, 9913, 10344, 12282, 16376, 19826, 24564, 29739, 38359, 39652, 49128, 59478, 76718, 79304, 115077, 118956, 153436, 230154, 237912, 306872, 460308, 882257, 920616, 1764514, 2646771, 3529028, 5293542, 7058056, 10587084, 21174168]

約数ペア:

[(1, 21174168), (2, 10587084), (3, 7058056), (4, 5293542), (6, 3529028), (8, 2646771), (12, 1764514), (23, 920616), (24, 882257), (46, 460308), (69, 306872), (89, 237912), (92, 230154), (138, 153436), (178, 118956), (184, 115077), (267, 79304), (276, 76718), (356, 59478), (431, 49128), (534, 39652), (552, 38359), (712, 29739), (862, 24564), (1068, 19826), (1293, 16376), (1724, 12282), (2047, 10344), (2136, 9913), (2586, 8188), (3448, 6141), (4094, 5172)]