21963424

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1469

約数の個数: 48

約数和(自身を含む): 50150016

約数和(自身を除く): 28186592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1381, 1988, 2272, 2762, 3976, 5524, 7952, 9667, 11048, 15904, 19334, 22096, 38668, 44192, 77336, 98051, 154672, 196102, 309344, 392204, 686357, 784408, 1372714, 1568816, 2745428, 3137632, 5490856, 10981712, 21963424]

約数ペア:

[(1, 21963424), (2, 10981712), (4, 5490856), (7, 3137632), (8, 2745428), (14, 1568816), (16, 1372714), (28, 784408), (32, 686357), (56, 392204), (71, 309344), (112, 196102), (142, 154672), (224, 98051), (284, 77336), (497, 44192), (568, 38668), (994, 22096), (1136, 19334), (1381, 15904), (1988, 11048), (2272, 9667), (2762, 7952), (3976, 5524)]