21691082

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{91139}}^1$

素因数の和:91165

約数の個数: 16

約数和(自身を含む): 39372480

約数和(自身を除く): 17681398

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 91139, 182278, 637973, 1275946, 1549363, 3098726, 10845541, 21691082]

約数ペア:

[(1, 21691082), (2, 10845541), (7, 3098726), (14, 1549363), (17, 1275946), (34, 637973), (119, 182278), (238, 91139)]