21471926

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66683}}^1$

素因数の和:66715

約数の個数: 16

約数和(自身を含む): 38409984

約数和(自身を除く): 16938058

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66683, 133366, 466781, 933562, 1533709, 3067418, 10735963, 21471926]

約数ペア:

[(1, 21471926), (2, 10735963), (7, 3067418), (14, 1533709), (23, 933562), (46, 466781), (161, 133366), (322, 66683)]