21940928

素因数分解:

$2^6\times {\mathrm{131}}^1\times {\mathrm{2617}}^1$

素因数の和:2760

約数の個数: 28

約数和(自身を含む): 43888152

約数和(自身を除く): 21947224

約数列:

[1, 2, 4, 8, 16, 32, 64, 131, 262, 524, 1048, 2096, 2617, 4192, 5234, 8384, 10468, 20936, 41872, 83744, 167488, 342827, 685654, 1371308, 2742616, 5485232, 10970464, 21940928]

約数ペア:

[(1, 21940928), (2, 10970464), (4, 5485232), (8, 2742616), (16, 1371308), (32, 685654), (64, 342827), (131, 167488), (262, 83744), (524, 41872), (1048, 20936), (2096, 10468), (2617, 8384), (4192, 5234)]