21957761

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4987}}^1$

素因数の和:5048

約数の個数: 16

約数和(自身を含む): 27294336

約数和(自身を除く): 5336575

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 4987, 34909, 84779, 184519, 593453, 1291633, 3136823, 21957761]

約数ペア:

[(1, 21957761), (7, 3136823), (17, 1291633), (37, 593453), (119, 184519), (259, 84779), (629, 34909), (4403, 4987)]