21840844

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{41681}}^1$

素因数の和:41816

約数の個数: 12

約数和(自身を含む): 38514168

約数和(自身を除く): 16673324

約数列:

[1, 2, 4, 131, 262, 524, 41681, 83362, 166724, 5460211, 10920422, 21840844]

約数ペア:

[(1, 21840844), (2, 10920422), (4, 5460211), (131, 166724), (262, 83362), (524, 41681)]