21439848

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{28817}}^1$

素因数の和:28857

約数の個数: 32

約数和(自身を含む): 55330560

約数和(自身を除く): 33890712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 28817, 57634, 86451, 115268, 172902, 230536, 345804, 691608, 893327, 1786654, 2679981, 3573308, 5359962, 7146616, 10719924, 21439848]

約数ペア:

[(1, 21439848), (2, 10719924), (3, 7146616), (4, 5359962), (6, 3573308), (8, 2679981), (12, 1786654), (24, 893327), (31, 691608), (62, 345804), (93, 230536), (124, 172902), (186, 115268), (248, 86451), (372, 57634), (744, 28817)]