21918092

素因数分解:

$2^2\times 7^2\times {\mathrm{111827}}^1$

素因数の和:111845

約数の個数: 18

約数和(自身を含む): 44619372

約数和(自身を除く): 22701280

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 111827, 223654, 447308, 782789, 1565578, 3131156, 5479523, 10959046, 21918092]

約数ペア:

[(1, 21918092), (2, 10959046), (4, 5479523), (7, 3131156), (14, 1565578), (28, 782789), (49, 447308), (98, 223654), (196, 111827)]