21406512

素因数分解:

$2^4\times 3^1\times {\mathrm{445969}}^1$

素因数の和:445980

約数の個数: 20

約数和(自身を含む): 55300280

約数和(自身を除く): 33893768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445969, 891938, 1337907, 1783876, 2675814, 3567752, 5351628, 7135504, 10703256, 21406512]

約数ペア:

[(1, 21406512), (2, 10703256), (3, 7135504), (4, 5351628), (6, 3567752), (8, 2675814), (12, 1783876), (16, 1337907), (24, 891938), (48, 445969)]