21545836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1129}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 40752320

約数和(自身を除く): 19206484

約数列:

[1, 2, 4, 13, 26, 52, 367, 734, 1129, 1468, 2258, 4516, 4771, 9542, 14677, 19084, 29354, 58708, 414343, 828686, 1657372, 5386459, 10772918, 21545836]

約数ペア:

[(1, 21545836), (2, 10772918), (4, 5386459), (13, 1657372), (26, 828686), (52, 414343), (367, 58708), (734, 29354), (1129, 19084), (1468, 14677), (2258, 9542), (4516, 4771)]