21249516

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{76991}}^1$

素因数の和:77021

約数の個数: 24

約数和(自身を含む): 51738624

約数和(自身を除く): 30489108

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 76991, 153982, 230973, 307964, 461946, 923892, 1770793, 3541586, 5312379, 7083172, 10624758, 21249516]

約数ペア:

[(1, 21249516), (2, 10624758), (3, 7083172), (4, 5312379), (6, 3541586), (12, 1770793), (23, 923892), (46, 461946), (69, 307964), (92, 230973), (138, 153982), (276, 76991)]