21850504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{210101}}^1$

素因数の和:210120

約数の個数: 16

約数和(自身を含む): 44121420

約数和(自身を除く): 22270916

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 210101, 420202, 840404, 1680808, 2731313, 5462626, 10925252, 21850504]

約数ペア:

[(1, 21850504), (2, 10925252), (4, 5462626), (8, 2731313), (13, 1680808), (26, 840404), (52, 420202), (104, 210101)]