21887272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{248719}}^1$

素因数の和:248736

約数の個数: 16

約数和(自身を含む): 44769600

約数和(自身を除く): 22882328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 248719, 497438, 994876, 1989752, 2735909, 5471818, 10943636, 21887272]

約数ペア:

[(1, 21887272), (2, 10943636), (4, 5471818), (8, 2735909), (11, 1989752), (22, 994876), (44, 497438), (88, 248719)]