21233715

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61547}}^1$

素因数の和:61578

約数の個数: 16

約数和(自身を含む): 35451648

約数和(自身を除く): 14217933

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61547, 184641, 307735, 923205, 1415581, 4246743, 7077905, 21233715]

約数ペア:

[(1, 21233715), (3, 7077905), (5, 4246743), (15, 1415581), (23, 923205), (69, 307735), (115, 184641), (345, 61547)]