21217454

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{14879}}^1$

素因数の和:14935

約数の個数: 16

約数和(自身を含む): 34283520

約数和(自身を除く): 13066066

約数列:

[1, 2, 23, 31, 46, 62, 713, 1426, 14879, 29758, 342217, 461249, 684434, 922498, 10608727, 21217454]

約数ペア:

[(1, 21217454), (2, 10608727), (23, 922498), (31, 684434), (46, 461249), (62, 342217), (713, 29758), (1426, 14879)]