21464853

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 30334080

約数和(自身を除く): 8869227

約数列:

[1, 3, 41, 47, 79, 123, 141, 237, 1927, 2209, 3239, 3713, 5781, 6627, 9717, 11139, 90569, 152233, 174511, 271707, 456699, 523533, 7154951, 21464853]

約数ペア:

[(1, 21464853), (3, 7154951), (41, 523533), (47, 456699), (79, 271707), (123, 174511), (141, 152233), (237, 90569), (1927, 11139), (2209, 9717), (3239, 6627), (3713, 5781)]