21175656

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5413}}^1$

素因数の和:5585

約数の個数: 32

約数和(自身を含む): 53273760

約数和(自身を除く): 32098104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5413, 10826, 16239, 21652, 32478, 43304, 64956, 129912, 882319, 1764638, 2646957, 3529276, 5293914, 7058552, 10587828, 21175656]

約数ペア:

[(1, 21175656), (2, 10587828), (3, 7058552), (4, 5293914), (6, 3529276), (8, 2646957), (12, 1764638), (24, 882319), (163, 129912), (326, 64956), (489, 43304), (652, 32478), (978, 21652), (1304, 16239), (1956, 10826), (3912, 5413)]