21410448

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{3209}}^1$

素因数の和:3359

約数の個数: 40

約数和(自身を含む): 55725600

約数和(自身を除く): 34315152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3209, 3336, 6418, 6672, 9627, 12836, 19254, 25672, 38508, 51344, 77016, 154032, 446051, 892102, 1338153, 1784204, 2676306, 3568408, 5352612, 7136816, 10705224, 21410448]

約数ペア:

[(1, 21410448), (2, 10705224), (3, 7136816), (4, 5352612), (6, 3568408), (8, 2676306), (12, 1784204), (16, 1338153), (24, 892102), (48, 446051), (139, 154032), (278, 77016), (417, 51344), (556, 38508), (834, 25672), (1112, 19254), (1668, 12836), (2224, 9627), (3209, 6672), (3336, 6418)]