21494968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244261}}^1$

素因数の和:244278

約数の個数: 16

約数和(自身を含む): 43967160

約数和(自身を除く): 22472192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244261, 488522, 977044, 1954088, 2686871, 5373742, 10747484, 21494968]

約数ペア:

[(1, 21494968), (2, 10747484), (4, 5373742), (8, 2686871), (11, 1954088), (22, 977044), (44, 488522), (88, 244261)]