21590254

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{12143}}^1$

素因数の和:12279

約数の個数: 16

約数和(自身を含む): 37306368

約数和(自身を除く): 15716114

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 12143, 24286, 85001, 170002, 1542161, 3084322, 10795127, 21590254]

約数ペア:

[(1, 21590254), (2, 10795127), (7, 3084322), (14, 1542161), (127, 170002), (254, 85001), (889, 24286), (1778, 12143)]