21181376

素因数分解:

$2^6\times {\mathrm{139}}^1\times {\mathrm{2381}}^1$

素因数の和:2532

約数の個数: 28

約数和(自身を含む): 42351960

約数和(自身を除く): 21170584

約数列:

[1, 2, 4, 8, 16, 32, 64, 139, 278, 556, 1112, 2224, 2381, 4448, 4762, 8896, 9524, 19048, 38096, 76192, 152384, 330959, 661918, 1323836, 2647672, 5295344, 10590688, 21181376]

約数ペア:

[(1, 21181376), (2, 10590688), (4, 5295344), (8, 2647672), (16, 1323836), (32, 661918), (64, 330959), (139, 152384), (278, 76192), (556, 38096), (1112, 19048), (2224, 9524), (2381, 8896), (4448, 4762)]