21515285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23011}}^1$

素因数の和:23044

約数の個数: 16

約数和(自身を含む): 29823552

約数和(自身を除く): 8308267

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 23011, 115055, 253121, 391187, 1265605, 1955935, 4303057, 21515285]

約数ペア:

[(1, 21515285), (5, 4303057), (11, 1955935), (17, 1265605), (55, 391187), (85, 253121), (187, 115055), (935, 23011)]