21082523

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2423}}^1$

素因数の和:2554

約数の個数: 16

約数和(自身を含む): 26528256

約数和(自身を除く): 5445733

約数列:

[1, 7, 11, 77, 113, 791, 1243, 2423, 8701, 16961, 26653, 186571, 273799, 1916593, 3011789, 21082523]

約数ペア:

[(1, 21082523), (7, 3011789), (11, 1916593), (77, 273799), (113, 186571), (791, 26653), (1243, 16961), (2423, 8701)]