21393772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12239}}^1$

素因数の和:12285

約数の個数: 24

約数和(自身を含む): 41126400

約数和(自身を除く): 19732628

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12239, 24478, 48956, 232541, 281497, 465082, 562994, 930164, 1125988, 5348443, 10696886, 21393772]

約数ペア:

[(1, 21393772), (2, 10696886), (4, 5348443), (19, 1125988), (23, 930164), (38, 562994), (46, 465082), (76, 281497), (92, 232541), (437, 48956), (874, 24478), (1748, 12239)]