21717249

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{461}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 29804544

約数和(自身を除く): 8087295

約数列:

[1, 3, 41, 123, 383, 461, 1149, 1383, 15703, 18901, 47109, 56703, 176563, 529689, 7239083, 21717249]

約数ペア:

[(1, 21717249), (3, 7239083), (41, 529689), (123, 176563), (383, 56703), (461, 47109), (1149, 18901), (1383, 15703)]