21003224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238673}}^1$

素因数の和:238690

約数の個数: 16

約数和(自身を含む): 42961320

約数和(自身を除く): 21958096

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238673, 477346, 954692, 1909384, 2625403, 5250806, 10501612, 21003224]

約数ペア:

[(1, 21003224), (2, 10501612), (4, 5250806), (8, 2625403), (11, 1909384), (22, 954692), (44, 477346), (88, 238673)]