21812848

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{17257}}^1$

素因数の和:17344

約数の個数: 20

約数和(自身を含む): 42799840

約数和(自身を除く): 20986992

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 17257, 34514, 69028, 138056, 276112, 1363303, 2726606, 5453212, 10906424, 21812848]

約数ペア:

[(1, 21812848), (2, 10906424), (4, 5453212), (8, 2726606), (16, 1363303), (79, 276112), (158, 138056), (316, 69028), (632, 34514), (1264, 17257)]