21578913994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4931}}^1\times {\mathrm{11701}}^1$

素因数の和:16662

約数の個数: 32

約数和(自身を含む): 37398843072

約数和(自身を除く): 15819929078

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 4931, 9862, 11701, 23402, 54241, 83827, 108482, 128711, 167654, 198917, 257422, 397834, 922097, 1844194, 2188087, 4376174, 57697631, 115395262, 634673941, 980859727, 1269347882, 1961719454, 10789456997, 21578913994]

約数ペア:

[(1, 21578913994), (2, 10789456997), (11, 1961719454), (17, 1269347882), (22, 980859727), (34, 634673941), (187, 115395262), (374, 57697631), (4931, 4376174), (9862, 2188087), (11701, 1844194), (23402, 922097), (54241, 397834), (83827, 257422), (108482, 198917), (128711, 167654)]