21315273

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44131}}^1$

素因数の和:44164

約数の個数: 16

約数和(自身を含む): 33893376

約数和(自身を除く): 12578103

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 44131, 132393, 308917, 926751, 1015013, 3045039, 7105091, 21315273]

約数ペア:

[(1, 21315273), (3, 7105091), (7, 3045039), (21, 1015013), (23, 926751), (69, 308917), (161, 132393), (483, 44131)]