21965202208

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{15963083}}^1$

素因数の和:15963136

約数の個数: 24

約数和(自身を含む): 44249668848

約数和(自身を除く): 22284466640

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 15963083, 31926166, 63852332, 127704664, 255409328, 510818656, 686412569, 1372825138, 2745650276, 5491300552, 10982601104, 21965202208]

約数ペア:

[(1, 21965202208), (2, 10982601104), (4, 5491300552), (8, 2745650276), (16, 1372825138), (32, 686412569), (43, 510818656), (86, 255409328), (172, 127704664), (344, 63852332), (688, 31926166), (1376, 15963083)]