21743984

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5639}}^1$

素因数の和:5888

約数の個数: 20

約数和(自身を含む): 42311280

約数和(自身を除く): 20567296

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5639, 11278, 22556, 45112, 90224, 1358999, 2717998, 5435996, 10871992, 21743984]

約数ペア:

[(1, 21743984), (2, 10871992), (4, 5435996), (8, 2717998), (16, 1358999), (241, 90224), (482, 45112), (964, 22556), (1928, 11278), (3856, 5639)]