21321482

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{607}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 39631872

約数和(自身を除く): 18310390

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 193, 386, 607, 1214, 1351, 2509, 2702, 4249, 5018, 7891, 8498, 15782, 17563, 35126, 55237, 110474, 117151, 234302, 820057, 1522963, 1640114, 3045926, 10660741, 21321482]

約数ペア:

[(1, 21321482), (2, 10660741), (7, 3045926), (13, 1640114), (14, 1522963), (26, 820057), (91, 234302), (182, 117151), (193, 110474), (386, 55237), (607, 35126), (1214, 17563), (1351, 15782), (2509, 8498), (2702, 7891), (4249, 5018)]