21815744

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4801}}^1$

素因数の和:4884

約数の個数: 28

約数和(自身を含む): 43909488

約数和(自身を除く): 22093744

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 4801, 9602, 19204, 38408, 76816, 153632, 307264, 340871, 681742, 1363484, 2726968, 5453936, 10907872, 21815744]

約数ペア:

[(1, 21815744), (2, 10907872), (4, 5453936), (8, 2726968), (16, 1363484), (32, 681742), (64, 340871), (71, 307264), (142, 153632), (284, 76816), (568, 38408), (1136, 19204), (2272, 9602), (4544, 4801)]