21944872

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 42218280

約数和(自身を除く): 20273408

約数列:

[1, 2, 4, 8, 61, 122, 193, 233, 244, 386, 466, 488, 772, 932, 1544, 1864, 11773, 14213, 23546, 28426, 44969, 47092, 56852, 89938, 94184, 113704, 179876, 359752, 2743109, 5486218, 10972436, 21944872]

約数ペア:

[(1, 21944872), (2, 10972436), (4, 5486218), (8, 2743109), (61, 359752), (122, 179876), (193, 113704), (233, 94184), (244, 89938), (386, 56852), (466, 47092), (488, 44969), (772, 28426), (932, 23546), (1544, 14213), (1864, 11773)]