21145883632

素因数分解:

$2^4\times {\mathrm{25657}}^1\times {\mathrm{51511}}^1$

素因数の和:77176

約数の個数: 20

約数和(自身を含む): 40972541776

約数和(自身を除く): 19826658144

約数列:

[1, 2, 4, 8, 16, 25657, 51314, 51511, 102628, 103022, 205256, 206044, 410512, 412088, 824176, 1321617727, 2643235454, 5286470908, 10572941816, 21145883632]

約数ペア:

[(1, 21145883632), (2, 10572941816), (4, 5286470908), (8, 2643235454), (16, 1321617727), (25657, 824176), (51314, 412088), (51511, 410512), (102628, 206044), (103022, 205256)]