21178512

素因数分解:

$2^4\times 3^2\times {\mathrm{147073}}^1$

素因数の和:147087

約数の個数: 30

約数和(自身を含む): 59270822

約数和(自身を除く): 38092310

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147073, 294146, 441219, 588292, 882438, 1176584, 1323657, 1764876, 2353168, 2647314, 3529752, 5294628, 7059504, 10589256, 21178512]

約数ペア:

[(1, 21178512), (2, 10589256), (3, 7059504), (4, 5294628), (6, 3529752), (8, 2647314), (9, 2353168), (12, 1764876), (16, 1323657), (18, 1176584), (24, 882438), (36, 588292), (48, 441219), (72, 294146), (144, 147073)]