21892112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{719}}^1$

素因数の和:911

約数の個数: 40

約数和(自身を含む): 46604160

約数和(自身を除く): 24712048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 173, 176, 346, 692, 719, 1384, 1438, 1903, 2768, 2876, 3806, 5752, 7612, 7909, 11504, 15224, 15818, 30448, 31636, 63272, 124387, 126544, 248774, 497548, 995096, 1368257, 1990192, 2736514, 5473028, 10946056, 21892112]

約数ペア:

[(1, 21892112), (2, 10946056), (4, 5473028), (8, 2736514), (11, 1990192), (16, 1368257), (22, 995096), (44, 497548), (88, 248774), (173, 126544), (176, 124387), (346, 63272), (692, 31636), (719, 30448), (1384, 15818), (1438, 15224), (1903, 11504), (2768, 7909), (2876, 7612), (3806, 5752)]