21945887

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 1693153

約数列:

[1, 23, 71, 89, 151, 1633, 2047, 3473, 6319, 10721, 13439, 145337, 246583, 309097, 954169, 21945887]

約数ペア:

[(1, 21945887), (23, 954169), (71, 309097), (89, 246583), (151, 145337), (1633, 13439), (2047, 10721), (3473, 6319)]