21501804

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{105401}}^1$

素因数の和:105425

約数の個数: 24

約数和(自身を含む): 53122608

約数和(自身を除く): 31620804

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 105401, 210802, 316203, 421604, 632406, 1264812, 1791817, 3583634, 5375451, 7167268, 10750902, 21501804]

約数ペア:

[(1, 21501804), (2, 10750902), (3, 7167268), (4, 5375451), (6, 3583634), (12, 1791817), (17, 1264812), (34, 632406), (51, 421604), (68, 316203), (102, 210802), (204, 105401)]