21236912

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57709}}^1$

素因数の和:57740

約数の個数: 20

約数和(自身を含む): 42936240

約数和(自身を除く): 21699328

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57709, 115418, 230836, 461672, 923344, 1327307, 2654614, 5309228, 10618456, 21236912]

約数ペア:

[(1, 21236912), (2, 10618456), (4, 5309228), (8, 2654614), (16, 1327307), (23, 923344), (46, 461672), (92, 230836), (184, 115418), (368, 57709)]