21028042

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24623}}^1$

素因数の和:24693

約数の個数: 16

約数和(自身を含む): 36640512

約数和(自身を除く): 15612470

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24623, 49246, 172361, 344722, 1502003, 3004006, 10514021, 21028042]

約数ペア:

[(1, 21028042), (2, 10514021), (7, 3004006), (14, 1502003), (61, 344722), (122, 172361), (427, 49246), (854, 24623)]