21167734

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19139}}^1$

素因数の和:19227

約数の個数: 16

約数和(自身を含む): 36748800

約数和(自身を除く): 15581066

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19139, 38278, 133973, 267946, 1511981, 3023962, 10583867, 21167734]

約数ペア:

[(1, 21167734), (2, 10583867), (7, 3023962), (14, 1511981), (79, 267946), (158, 133973), (553, 38278), (1106, 19139)]