21319977

素因数分解:

$3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{2423}}^1$

素因数の和:2852

約数の個数: 16

約数和(自身を含む): 32578560

約数和(自身を除く): 11258583

約数列:

[1, 3, 7, 21, 419, 1257, 2423, 2933, 7269, 8799, 16961, 50883, 1015237, 3045711, 7106659, 21319977]

約数ペア:

[(1, 21319977), (3, 7106659), (7, 3045711), (21, 1015237), (419, 50883), (1257, 16961), (2423, 8799), (2933, 7269)]