21107628

素因数分解:

$2^2\times 3^4\times {\mathrm{65147}}^1$

素因数の和:65163

約数の個数: 30

約数和(自身を含む): 55180356

約数和(自身を除く): 34072728

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65147, 130294, 195441, 260588, 390882, 586323, 781764, 1172646, 1758969, 2345292, 3517938, 5276907, 7035876, 10553814, 21107628]

約数ペア:

[(1, 21107628), (2, 10553814), (3, 7035876), (4, 5276907), (6, 3517938), (9, 2345292), (12, 1758969), (18, 1172646), (27, 781764), (36, 586323), (54, 390882), (81, 260588), (108, 195441), (162, 130294), (324, 65147)]