21957844

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{929}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 40622400

約数和(自身を除く): 18664556

約数列:

[1, 2, 4, 19, 38, 76, 311, 622, 929, 1244, 1858, 3716, 5909, 11818, 17651, 23636, 35302, 70604, 288919, 577838, 1155676, 5489461, 10978922, 21957844]

約数ペア:

[(1, 21957844), (2, 10978922), (4, 5489461), (19, 1155676), (38, 577838), (76, 288919), (311, 70604), (622, 35302), (929, 23636), (1244, 17651), (1858, 11818), (3716, 5909)]