21769454

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67607}}^1$

素因数の和:67639

約数の個数: 16

約数和(自身を含む): 38942208

約数和(自身を除く): 17172754

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67607, 135214, 473249, 946498, 1554961, 3109922, 10884727, 21769454]

約数ペア:

[(1, 21769454), (2, 10884727), (7, 3109922), (14, 1554961), (23, 946498), (46, 473249), (161, 135214), (322, 67607)]