21854536

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 45677520

約数和(自身を除く): 23822984

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 121, 211, 214, 242, 422, 428, 484, 844, 856, 968, 1177, 1688, 2321, 2354, 4642, 4708, 9284, 9416, 12947, 18568, 22577, 25531, 25894, 45154, 51062, 51788, 90308, 102124, 103576, 180616, 204248, 248347, 496694, 993388, 1986776, 2731817, 5463634, 10927268, 21854536]

約数ペア:

[(1, 21854536), (2, 10927268), (4, 5463634), (8, 2731817), (11, 1986776), (22, 993388), (44, 496694), (88, 248347), (107, 204248), (121, 180616), (211, 103576), (214, 102124), (242, 90308), (422, 51788), (428, 51062), (484, 45154), (844, 25894), (856, 25531), (968, 22577), (1177, 18568), (1688, 12947), (2321, 9416), (2354, 9284), (4642, 4708)]