21717934

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67447}}^1$

素因数の和:67479

約数の個数: 16

約数和(自身を含む): 38850048

約数和(自身を除く): 17132114

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67447, 134894, 472129, 944258, 1551281, 3102562, 10858967, 21717934]

約数ペア:

[(1, 21717934), (2, 10858967), (7, 3102562), (14, 1551281), (23, 944258), (46, 472129), (161, 134894), (322, 67447)]