21176168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{203617}}^1$

素因数の和:203636

約数の個数: 16

約数和(自身を含む): 42759780

約数和(自身を除く): 21583612

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 203617, 407234, 814468, 1628936, 2647021, 5294042, 10588084, 21176168]

約数ペア:

[(1, 21176168), (2, 10588084), (4, 5294042), (8, 2647021), (13, 1628936), (26, 814468), (52, 407234), (104, 203617)]