21089536

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6337}}^1$

素因数の和:6366

約数の個数: 36

約数和(自身を含む): 45342052

約数和(自身を除く): 24252516

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6337, 12674, 25348, 50696, 82381, 101392, 164762, 202784, 329524, 405568, 659048, 811136, 1318096, 1622272, 2636192, 5272384, 10544768, 21089536]

約数ペア:

[(1, 21089536), (2, 10544768), (4, 5272384), (8, 2636192), (13, 1622272), (16, 1318096), (26, 811136), (32, 659048), (52, 405568), (64, 329524), (104, 202784), (128, 164762), (208, 101392), (256, 82381), (416, 50696), (832, 25348), (1664, 12674), (3328, 6337)]