21516313

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3529}}^1$

素因数の和:3616

約数の個数: 16

約数和(自身を含む): 26884480

約数和(自身を除く): 5368167

約数列:

[1, 7, 13, 67, 91, 469, 871, 3529, 6097, 24703, 45877, 236443, 321139, 1655101, 3073759, 21516313]

約数ペア:

[(1, 21516313), (7, 3073759), (13, 1655101), (67, 321139), (91, 236443), (469, 45877), (871, 24703), (3529, 6097)]