21427932

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 51714432

約数和(自身を除く): 30286500

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 131, 172, 258, 262, 317, 393, 516, 524, 634, 786, 951, 1268, 1572, 1902, 3804, 5633, 11266, 13631, 16899, 22532, 27262, 33798, 40893, 41527, 54524, 67596, 81786, 83054, 124581, 163572, 166108, 249162, 498324, 1785661, 3571322, 5356983, 7142644, 10713966, 21427932]

約数ペア:

[(1, 21427932), (2, 10713966), (3, 7142644), (4, 5356983), (6, 3571322), (12, 1785661), (43, 498324), (86, 249162), (129, 166108), (131, 163572), (172, 124581), (258, 83054), (262, 81786), (317, 67596), (393, 54524), (516, 41527), (524, 40893), (634, 33798), (786, 27262), (951, 22532), (1268, 16899), (1572, 13631), (1902, 11266), (3804, 5633)]