21242554

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{821}}^1$

素因数の和:1601

約数の個数: 16

約数和(自身を含む): 33823656

約数和(自身を除く): 12581102

約数列:

[1, 2, 17, 34, 761, 821, 1522, 1642, 12937, 13957, 25874, 27914, 624781, 1249562, 10621277, 21242554]

約数ペア:

[(1, 21242554), (2, 10621277), (17, 1249562), (34, 624781), (761, 27914), (821, 25874), (1522, 13957), (1642, 12937)]