21257038

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{5167}}^1$

素因数の和:5208

約数の個数: 24

約数和(自身を含む): 37116576

約数和(自身を除く): 15859538

約数列:

[1, 2, 11, 17, 22, 34, 121, 187, 242, 374, 2057, 4114, 5167, 10334, 56837, 87839, 113674, 175678, 625207, 966229, 1250414, 1932458, 10628519, 21257038]

約数ペア:

[(1, 21257038), (2, 10628519), (11, 1932458), (17, 1250414), (22, 966229), (34, 625207), (121, 175678), (187, 113674), (242, 87839), (374, 56837), (2057, 10334), (4114, 5167)]