21497946

素因数分解:

$2^1\times 3^1\times {\mathrm{211}}^1\times {\mathrm{16981}}^1$

素因数の和:17197

約数の個数: 16

約数和(自身を含む): 43202208

約数和(自身を除く): 21704262

約数列:

[1, 2, 3, 6, 211, 422, 633, 1266, 16981, 33962, 50943, 101886, 3582991, 7165982, 10748973, 21497946]

約数ペア:

[(1, 21497946), (2, 10748973), (3, 7165982), (6, 3582991), (211, 101886), (422, 50943), (633, 33962), (1266, 16981)]