21051854

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 34974720

約数和(自身を除く): 13922866

約数列:

[1, 2, 23, 29, 43, 46, 58, 86, 367, 667, 734, 989, 1247, 1334, 1978, 2494, 8441, 10643, 15781, 16882, 21286, 28681, 31562, 57362, 244789, 362963, 457649, 489578, 725926, 915298, 10525927, 21051854]

約数ペア:

[(1, 21051854), (2, 10525927), (23, 915298), (29, 725926), (43, 489578), (46, 457649), (58, 362963), (86, 244789), (367, 57362), (667, 31562), (734, 28681), (989, 21286), (1247, 16882), (1334, 15781), (1978, 10643), (2494, 8441)]