21400656

素因数分解:

$2^4\times 3^1\times {\mathrm{445847}}^1$

素因数の和:445858

約数の個数: 20

約数和(自身を含む): 55285152

約数和(自身を除く): 33884496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445847, 891694, 1337541, 1783388, 2675082, 3566776, 5350164, 7133552, 10700328, 21400656]

約数ペア:

[(1, 21400656), (2, 10700328), (3, 7133552), (4, 5350164), (6, 3566776), (8, 2675082), (12, 1783388), (16, 1337541), (24, 891694), (48, 445847)]