21264786

素因数分解:

$2^1\times 3^2\times {\mathrm{239}}^1\times {\mathrm{4943}}^1$

素因数の和:5190

約数の個数: 24

約数和(自身を含む): 46275840

約数和(自身を除く): 25011054

約数列:

[1, 2, 3, 6, 9, 18, 239, 478, 717, 1434, 2151, 4302, 4943, 9886, 14829, 29658, 44487, 88974, 1181377, 2362754, 3544131, 7088262, 10632393, 21264786]

約数ペア:

[(1, 21264786), (2, 10632393), (3, 7088262), (6, 3544131), (9, 2362754), (18, 1181377), (239, 88974), (478, 44487), (717, 29658), (1434, 14829), (2151, 9886), (4302, 4943)]