21009536

素因数分解:

$2^7\times {\mathrm{151}}^1\times {\mathrm{1087}}^1$

素因数の和:1252

約数の個数: 32

約数和(自身を含む): 42170880

約数和(自身を除く): 21161344

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 302, 604, 1087, 1208, 2174, 2416, 4348, 4832, 8696, 9664, 17392, 19328, 34784, 69568, 139136, 164137, 328274, 656548, 1313096, 2626192, 5252384, 10504768, 21009536]

約数ペア:

[(1, 21009536), (2, 10504768), (4, 5252384), (8, 2626192), (16, 1313096), (32, 656548), (64, 328274), (128, 164137), (151, 139136), (302, 69568), (604, 34784), (1087, 19328), (1208, 17392), (2174, 9664), (2416, 8696), (4348, 4832)]