21156528

素因数分解:

$2^4\times 3^1\times {\mathrm{440761}}^1$

素因数の和:440772

約数の個数: 20

約数和(自身を含む): 54654488

約数和(自身を除く): 33497960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440761, 881522, 1322283, 1763044, 2644566, 3526088, 5289132, 7052176, 10578264, 21156528]

約数ペア:

[(1, 21156528), (2, 10578264), (3, 7052176), (4, 5289132), (6, 3526088), (8, 2644566), (12, 1763044), (16, 1322283), (24, 881522), (48, 440761)]