21522886

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139759}}^1$

素因数の和:139779

約数の個数: 16

約数和(自身を含む): 40250880

約数和(自身を除く): 18727994

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 139759, 279518, 978313, 1537349, 1956626, 3074698, 10761443, 21522886]

約数ペア:

[(1, 21522886), (2, 10761443), (7, 3074698), (11, 1956626), (14, 1537349), (22, 978313), (77, 279518), (154, 139759)]