21072801886

素因数分解:

$2^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1\times {\mathrm{827}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 32059577088

約数和(自身を除く): 10986775202

約数列:

[1, 2, 193, 251, 263, 386, 502, 526, 827, 1654, 48443, 50759, 66013, 96886, 101518, 132026, 159611, 207577, 217501, 319222, 415154, 435002, 12740509, 25481018, 40062361, 41977693, 54592751, 80124722, 83955386, 109185502, 10536400943, 21072801886]

約数ペア:

[(1, 21072801886), (2, 10536400943), (193, 109185502), (251, 83955386), (263, 80124722), (386, 54592751), (502, 41977693), (526, 40062361), (827, 25481018), (1654, 12740509), (48443, 435002), (50759, 415154), (66013, 319222), (96886, 217501), (101518, 207577), (132026, 159611)]