21587897872

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{254047}}^1$

素因数の和:254215

約数の個数: 40

約数和(自身を含む): 43094670336

約数和(自身を除く): 21506772464

約数列:

[1, 2, 4, 8, 16, 47, 94, 113, 188, 226, 376, 452, 752, 904, 1808, 5311, 10622, 21244, 42488, 84976, 254047, 508094, 1016188, 2032376, 4064752, 11940209, 23880418, 28707311, 47760836, 57414622, 95521672, 114829244, 191043344, 229658488, 459316976, 1349243617, 2698487234, 5396974468, 10793948936, 21587897872]

約数ペア:

[(1, 21587897872), (2, 10793948936), (4, 5396974468), (8, 2698487234), (16, 1349243617), (47, 459316976), (94, 229658488), (113, 191043344), (188, 114829244), (226, 95521672), (376, 57414622), (452, 47760836), (752, 28707311), (904, 23880418), (1808, 11940209), (5311, 4064752), (10622, 2032376), (21244, 1016188), (42488, 508094), (84976, 254047)]