21860808

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{6553}}^1$

素因数の和:6701

約数の個数: 32

約数和(自身を含む): 55053600

約数和(自身を除く): 33192792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 6553, 13106, 19659, 26212, 39318, 52424, 78636, 157272, 910867, 1821734, 2732601, 3643468, 5465202, 7286936, 10930404, 21860808]

約数ペア:

[(1, 21860808), (2, 10930404), (3, 7286936), (4, 5465202), (6, 3643468), (8, 2732601), (12, 1821734), (24, 910867), (139, 157272), (278, 78636), (417, 52424), (556, 39318), (834, 26212), (1112, 19659), (1668, 13106), (3336, 6553)]