21032014864

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{842089}}^1$

素因数の和:842327

約数の個数: 40

約数和(自身を含む): 46779783680

約数和(自身を除く): 25747768816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1561, 1784, 3122, 3568, 6244, 12488, 24976, 842089, 1684178, 3368356, 5894623, 6736712, 11789246, 13473424, 23578492, 47156984, 94313968, 187785847, 375571694, 751143388, 1314500929, 1502286776, 2629001858, 3004573552, 5258003716, 10516007432, 21032014864]

約数ペア:

[(1, 21032014864), (2, 10516007432), (4, 5258003716), (7, 3004573552), (8, 2629001858), (14, 1502286776), (16, 1314500929), (28, 751143388), (56, 375571694), (112, 187785847), (223, 94313968), (446, 47156984), (892, 23578492), (1561, 13473424), (1784, 11789246), (3122, 6736712), (3568, 5894623), (6244, 3368356), (12488, 1684178), (24976, 842089)]