21245698

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:558

約数の個数: 24

約数和(自身を含む): 34162128

約数和(自身を除く): 12916430

約数列:

[1, 2, 23, 43, 46, 86, 467, 529, 934, 989, 1058, 1978, 10741, 20081, 21482, 22747, 40162, 45494, 247043, 461863, 494086, 923726, 10622849, 21245698]

約数ペア:

[(1, 21245698), (2, 10622849), (23, 923726), (43, 494086), (46, 461863), (86, 247043), (467, 45494), (529, 40162), (934, 22747), (989, 21482), (1058, 20081), (1978, 10741)]