21955952

素因数分解:

$2^4\times {\mathrm{673}}^1\times {\mathrm{2039}}^1$

素因数の和:2720

約数の個数: 20

約数和(自身を含む): 42623760

約数和(自身を除く): 20667808

約数列:

[1, 2, 4, 8, 16, 673, 1346, 2039, 2692, 4078, 5384, 8156, 10768, 16312, 32624, 1372247, 2744494, 5488988, 10977976, 21955952]

約数ペア:

[(1, 21955952), (2, 10977976), (4, 5488988), (8, 2744494), (16, 1372247), (673, 32624), (1346, 16312), (2039, 10768), (2692, 8156), (4078, 5384)]