21304923

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2357}}^1$

素因数の和:2514

約数の個数: 16

約数和(自身を含む): 29880576

約数和(自身を除く): 8575653

約数列:

[1, 3, 23, 69, 131, 393, 2357, 3013, 7071, 9039, 54211, 162633, 308767, 926301, 7101641, 21304923]

約数ペア:

[(1, 21304923), (3, 7101641), (23, 926301), (69, 308767), (131, 162633), (393, 54211), (2357, 9039), (3013, 7071)]