21314355

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10847}}^1$

素因数の和:10986

約数の個数: 16

約数和(自身を含む): 34366464

約数和(自身を除く): 13052109

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10847, 32541, 54235, 162705, 1420957, 4262871, 7104785, 21314355]

約数ペア:

[(1, 21314355), (3, 7104785), (5, 4262871), (15, 1420957), (131, 162705), (393, 54235), (655, 32541), (1965, 10847)]