21584465

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26813}}^1$

素因数の和:26848

約数の個数: 16

約数和(自身を含む): 30889728

約数和(自身を除く): 9305263

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26813, 134065, 187691, 616699, 938455, 3083495, 4316893, 21584465]

約数ペア:

[(1, 21584465), (5, 4316893), (7, 3083495), (23, 938455), (35, 616699), (115, 187691), (161, 134065), (805, 26813)]