21007921631

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1\times {\mathrm{20563}}^1$

素因数の和:21662

約数の個数: 16

約数和(自身を含む): 22453913856

約数和(自身を除く): 1445992225

約数列:

[1, 23, 43, 989, 1033, 20563, 23759, 44419, 472949, 884209, 1021637, 20336807, 21241579, 488556317, 913387897, 21007921631]

約数ペア:

[(1, 21007921631), (23, 913387897), (43, 488556317), (989, 21241579), (1033, 20336807), (20563, 1021637), (23759, 884209), (44419, 472949)]