21082082

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40699}}^1$

素因数の和:40745

約数の個数: 16

約数和(自身を含む): 37118400

約数和(自身を除く): 16036318

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40699, 81398, 284893, 569786, 1505863, 3011726, 10541041, 21082082]

約数ペア:

[(1, 21082082), (2, 10541041), (7, 3011726), (14, 1505863), (37, 569786), (74, 284893), (259, 81398), (518, 40699)]